Is T-Mobile Home Internet available in 94103?

Current ZIP-level provider data reports T-Mobile 5G internet availability in approximately 59.9% of 94103. Fixed-wireless eligibility depends on the exact address, network capacity and wireless conditions.

Why can two buildings in 94103 have different internet options?

94103 includes dense residential towers, converted industrial buildings, older apartment properties and mixed-use development across SoMa and parts of the Mission. Fiber, cable and fixed-wireless networks do not follow ZIP boundaries exactly, and building wiring can affect which services can actually be installed.

Why does 94103 have different provider percentages across sources?

Broadband datasets can use different update dates, provider records, geographic units and methods for calculating ZIP-level coverage. The current sources reviewed agree that several wired and wireless networks operate in 94103, but their reported percentages should be treated as coverage indicators rather than live service guarantees.

San Francisco ZIP 94103

94103 Internet Providers

Q: What internet providers serve ZIP code 94103?

Current ZIP-level provider data identifies AT&T, Xfinity, T-Mobile, Verizon, Astound Broadband, Sonic, XNET, Etheric, Unwired and satellite providers in the 94103 market. Coverage percentages vary by provider and dataset, so the exact address must be checked before service is treated as available.

Q: Is Sonic Fiber available in 94103?

Sonic operates a wholly owned fiber network in San Francisco. Current ZIP-level provider data reports Sonic fiber availability in approximately 12.8% of 94103, while Sonic's address checker has returned fiber service for at least some 94103 addresses. The exact property must be checked directly.

Q: Does Xfinity serve 94103?

Yes. Current ZIP-level provider data reports Xfinity availability at approximately 85.2% of 94103, and Xfinity maintains service locations within the ZIP, including 2300 16th Street. The coverage percentage is a ZIP-level estimate rather than a guarantee for every building or unit.

Q: Does Astound Broadband serve 94103?

Current ZIP-level provider data reports Astound Broadband cable availability at approximately 27.1% of 94103. Astound's own service checker requires an address because its network footprint varies by location.

Broadband in 94103 is shaped by a dense urban mix of cable, fiber, fixed wireless and satellite networks. Current ZIP-level data reports Xfinity at about 85.2%, AT&T at 72.5%, T-Mobile at 59.9%, XNET at 63.7%, Etheric at 62.9%, Astound at 27.1% and Sonic fiber at 12.8%. Those figures describe reported ZIP-level coverage, not every individual building.

● 94103 includes major portions of SoMa and parts of the Mission and other central San Francisco neighborhoods. Dense multifamily housing, converted industrial buildings and newer residential towers make building-level verification particularly important.

Check another ZIP code

Enter a five-digit ZIP code to open the corresponding local broadband guide.

ZIP-code results describe the local service market. Provider eligibility, available technology, speeds and pricing can differ at individual addresses, apartment buildings and individual units.

Location

San Francisco, California · 94103

Main technologies

Fiber · Cable · 5G · Fixed Wireless

ZIP evidence

Current provider coverage data

Research standard

Address verification required

What the 94103 broadband evidence shows

94103 is not a simple single-network ZIP. Current ZIP-level data shows substantial reported coverage from several wired and wireless providers, with Xfinity and AT&T representing the largest reported footprints among the major providers in the dataset. Sonic is a more limited fiber footprint by ZIP percentage, but Sonic's San Francisco network and individual 94103 address results demonstrate that fiber is present in the ZIP.

Cable

Xfinity has a broad reported ZIP footprint

Current ZIP-level provider data reports Xfinity at approximately 85.2% availability in 94103. A separate 94103 broadband source reports approximately 99.4% cable availability. The difference illustrates why coverage percentages should be treated as dataset-specific indicators rather than a single definitive address-level number.

Fiber

AT&T and Sonic create a fiber layer

AT&T confirms that fiber is available in parts of San Francisco, with speeds up to 5 Gbps where available. Sonic describes a wholly owned 10-Gigabit fiber network across San Francisco, while current 94103 provider data reports Sonic fiber at about 12.8%. Sonic's address checker has also returned fiber service for an address in 94103.

Wireless

Fixed wireless adds another local layer

T-Mobile is reported at about 59.9% and XNET at about 63.7% in the current ZIP dataset, with Etheric at about 62.9%. Verizon is also reported in the ZIP. These networks behave differently from cable and fiber because capacity, signal and equipment location can affect address-level eligibility.

94103 provider comparison

The figures below come from current ZIP-level provider data and are presented as coverage indicators. Official provider pages are used to establish network presence and advertised technology, while an exact address check remains necessary for ordering.

Provider	Technology	94103 evidence	Advertised maximum	What to verify
Xfinity Broad ZIP footprint	Cable	Current ZIP-level provider data reports approximately 85.2% availability in 94103. Another current 94103 source reports approximately 99.4% cable availability.	Up to 2 Gbps in current ZIP-level reporting	Exact address, plan tier, upload speed, equipment and pricing
AT&T Broad reported footprint	Fiber / IPBB / other AT&T service	Current ZIP-level provider data reports approximately 72.5% AT&T availability. AT&T separately confirms fiber service in parts of San Francisco.	Up to 5 Gbps where available	Whether the address receives fiber and which technology is offered
T-Mobile Home Internet 5G fixed wireless	5G fixed wireless	Current ZIP-level provider data reports approximately 59.9% availability in 94103.	Up to about 498 Mbps in current reporting	Exact address, capacity, signal and available gateway
XNET WiFi Local fixed wireless	Fixed wireless	Current ZIP-level provider data reports approximately 63.7% availability in 94103.	Up to 2 Gbps in current reporting	Exact address, building position and network eligibility
Etheric Networks Local fixed wireless	Fixed wireless	Current ZIP-level provider data reports approximately 62.9% availability in 94103.	Up to 250 Mbps in current reporting	Exact property and wireless network conditions
Astound Broadband Partial wired footprint	Cable	Current ZIP-level provider data reports approximately 27.1% availability in 94103. Another current 94103 source reports about 40.8% cable availability, illustrating dataset differences.	Up to 1.5 Gbps in current reporting	Whether the exact building falls within Astound's network
Sonic Limited ZIP footprint	Fiber	Current ZIP-level provider data reports approximately 12.8% Sonic availability. Sonic also operates a wholly owned 10-Gigabit fiber network in San Francisco, and its availability checker has returned fiber service for an address in 94103.	Up to 10 Gbps in San Francisco	Exact address, construction status and current available tier
Verizon 5G Home Internet Wireless	5G fixed wireless	Current ZIP-level provider data reports Verizon 5G internet availability in 94103. Wireless eligibility remains address-specific.	Plan and location dependent	Exact address and current 5G Home Internet eligibility
Unwired Fixed wireless	Fixed wireless	Current ZIP-level provider data reports Unwired service in 94103 and lists it as a fixed-wireless provider.	Up to 300 Mbps in current reporting	Exact address and wireless service conditions
Satellite providers Geographic option	Satellite	Starlink, Viasat and HughesNet are reported as geographically available in the ZIP. Satellite coverage does not follow the same neighborhood plant boundaries as cable and fiber.	Provider and plan dependent	Equipment location, sky view, latency and plan terms

ZIP-level interpretation: 94103 has multiple overlapping network types rather than a single dominant technology. The current dataset reports AT&T and Xfinity across substantial portions of the ZIP, meaningful fixed-wireless footprints from XNET, Etheric and T-Mobile, a smaller Astound footprint and a more limited Sonic fiber percentage. The separate coverage estimates reported by different datasets should not be combined into one percentage or treated as live ordering results.

Internet providers serving the 94103 market

The provider descriptions below focus on evidence that can be tied to 94103 or San Francisco. They distinguish ZIP-level coverage from property-level serviceability.

Xfinity

Cable 85.2% current ZIP data Up to 2 Gbps reported

Xfinity has one of the largest reported wired footprints in 94103. Current ZIP-level provider data reports approximately 85.2% availability, while another 94103 source reports approximately 99.4% cable coverage. The discrepancy is useful evidence in itself: provider-directory percentages depend on dataset methodology and should not be treated as an exact count of serviceable homes.

Xfinity cable service is widely reported across 94103.
Xfinity maintains a service location at 2300 16th Street in ZIP 94103.
Current ZIP-level data lists download tiers up to approximately 2 Gbps.
Upload performance can differ substantially from fiber alternatives.
Building-level serviceability remains the relevant final test.

Local evidence: Xfinity lists a store at 2300 16th Street, San Francisco, CA 94103. Current ZIP-level provider data reports approximately 85.2% Xfinity availability, while another current 94103 source reports approximately 99.4% cable availability.

AT&T

Fiber / IPBB 72.5% current ZIP data Up to 5 Gbps where available

AT&T is a major reported provider in 94103. Current ZIP-level data reports approximately 72.5% AT&T availability, but that figure covers AT&T service categories rather than proving that all of the reported area has fiber. AT&T's official San Francisco page states that fiber is available in parts of the city and requires an address check.

AT&T should be checked separately from Xfinity and Sonic.
AT&T Fiber offers symmetric service where fiber is available.
Current AT&T San Francisco information lists speeds up to 5 Gbps where available.
The ZIP percentage should not be interpreted as 72.5% fiber coverage.
The exact property determines which AT&T technology is offered.

Local evidence: AT&T's current San Francisco fiber page confirms fiber availability in parts of the city and directs residents to address-level verification. Current ZIP-level provider data reports approximately 72.5% AT&T service in 94103.

T-Mobile Home Internet

5G fixed wireless 59.9% current ZIP data Capacity dependent

T-Mobile provides a significant wireless alternative in 94103. Current ZIP-level provider data reports approximately 59.9% availability. Unlike cable or fiber, however, fixed-wireless eligibility can change based on local tower capacity, radio conditions and the address selected for service.

No dedicated neighborhood cable or fiber drop is required.
Eligibility can differ between nearby buildings.
Wireless performance can vary with network conditions.
Gateway placement can affect the usable connection inside the property.

Local evidence: Current 94103 provider data reports approximately 59.9% T-Mobile 5G internet availability. This is a ZIP-level coverage indicator, not a guarantee that every address can order service.

XNET WiFi

Fixed wireless 63.7% current ZIP data Up to 2 Gbps reported

XNET is an important local fixed-wireless entry in the 94103 provider landscape. Current ZIP-level data reports approximately 63.7% availability, placing its reported footprint well above the smaller specialty networks listed in many standard consumer ISP directories.

XNET uses fixed wireless rather than a conventional cable plant.
Current ZIP-level reporting lists speeds up to approximately 2 Gbps.
Building position and network reach can affect eligibility.
The ZIP percentage does not establish line-of-sight or equipment conditions at a property.

Local evidence: Current 94103 provider data reports approximately 63.7% XNET WiFi availability and lists fixed wireless as the connection type.

Etheric Networks

Fixed wireless 62.9% current ZIP data Up to 250 Mbps reported

Etheric is another substantial fixed-wireless provider in the current 94103 dataset. Its reported ZIP footprint is approximately 62.9%. This is important because the local broadband market is not limited to the large national cable, fiber and cellular brands.

Etheric is reported as a fixed-wireless provider in 94103.
Current ZIP-level data lists speeds up to approximately 250 Mbps.
Actual eligibility depends on the property's wireless network reach.
Fixed-wireless availability should be verified independently from cable coverage.

Local evidence: Current 94103 provider data reports approximately 62.9% Etheric availability and identifies the network as fixed wireless.

Astound Broadband

Cable 27.1% current ZIP data Up to 1.5 Gbps reported

Astound provides a second cable-network layer in part of 94103. Current ZIP-level provider data reports approximately 27.1% availability, while another 94103 broadband source reports approximately 40.8% cable availability. The differing estimates indicate a partial footprint rather than universal ZIP coverage.

Astound is primarily reported as cable service in 94103.
Its footprint is materially smaller than the largest reported wired networks.
Current provider data lists speeds up to approximately 1.5 Gbps.
Astound's own address checker should determine building eligibility.

Evidence standard: The 27.1% and 40.8% estimates come from different current datasets. They should not be averaged. Both support the narrower finding that Astound has a meaningful but incomplete 94103 footprint.

Sonic

Fiber 12.8% current ZIP data Up to 10 Gbps in SF

Sonic's 94103 footprint is smaller by ZIP percentage than its broader San Francisco network. Current ZIP-level provider data reports Sonic fiber at approximately 12.8%, but Sonic's official San Francisco page describes a wholly owned 10-Gigabit fiber network. More importantly, Sonic's address checker has returned fiber service at a specific 94103 address, demonstrating that the ZIP does contain serviceable Sonic fiber properties.

Sonic is a fiber rather than cable provider.
Sonic describes its San Francisco network as wholly owned 10-Gigabit fiber.
Fiber service provides symmetric upload and download capability on applicable plans.
Current ZIP-level data reports a limited 12.8% footprint.
Individual address results can be more informative than the ZIP percentage.

Local evidence: Sonic's availability system has returned a fiber result for 1600 15th Street, San Francisco, CA 94103. Sonic's San Francisco page also describes its wholly owned 10-Gigabit fiber network.

Verizon 5G Home Internet

5G fixed wireless 94103 market presence Address dependent

Verizon is another wireless provider reported in the current 94103 provider dataset. Wireless home internet is structurally different from the wired networks in the ZIP because service eligibility can depend on capacity and radio conditions at the specific property.

Verizon uses its wireless network rather than a neighborhood cable plant.
ZIP-level availability should not be treated as live eligibility.
Building construction and signal conditions can affect service.
The provider's address checker is required for final verification.

Local evidence: Current ZIP-level provider data reports Verizon 5G internet service in 94103. The relevant question for a resident is whether Verizon offers home internet at the exact property.

94103 internet speed guide

The unusually dense housing and mixed-use development in 94103 makes network architecture particularly relevant. A 1 Gbps fiber connection, a 1 Gbps cable plan and a 1 Gbps fixed-wireless service are not necessarily equivalent in upload capacity, latency, congestion or installation requirements.

100–300

Mbps

Often sufficient for ordinary browsing, video calls, streaming and smaller households when the connection is stable.

500 Mbps

Mbps

Useful for households with several simultaneous users, multiple streaming devices and heavier downloads.

1–2 Gbps

High-capacity plans

Relevant for larger households, substantial downloads and homes with many simultaneously active devices.

5–10 Gbps

Multi-gig fiber

Available only where a qualifying fiber network reaches the property and the home's Ethernet, gateway and Wi-Fi equipment can use the capacity.

Do not compare download speed alone. In 94103, the physical connection can matter as much as the advertised download tier. Fiber from Sonic or AT&T can provide symmetric upload capacity where available, while cable and fixed wireless have different upload and network characteristics. Equipment, latency, congestion, installation and recurring pricing also matter.

Connection types in 94103

The ZIP contains overlapping wired and wireless networks. Current provider data shows that 94103 should not be evaluated as a simple cable-versus-fiber market because fixed wireless represents a meaningful part of the reported local provider landscape.

Fiber

AT&T and Sonic are the principal fiber networks to investigate. AT&T confirms fiber availability in parts of San Francisco, while Sonic describes a wholly owned 10-Gigabit San Francisco fiber network. Sonic's availability system has also returned fiber service at a 94103 address.

Cable

Xfinity has a broad reported footprint in 94103, while Astound operates a smaller overlapping cable footprint. Current datasets disagree on exact percentages, but both identify cable as an important wired technology in the ZIP.

5G / fixed wireless

T-Mobile, Verizon, XNET, Etheric and Unwired appear in current 94103 provider data. These networks can provide an alternative to wired service, but eligibility and performance can depend on address, capacity and wireless conditions.

Satellite

Starlink, Viasat and HughesNet are reported as geographically available in 94103. Satellite is a separate technology category and is generally evaluated differently from the dense wired and fixed-wireless networks concentrated throughout central San Francisco.

What is different about broadband in 94103?

94103 is one of San Francisco's most urban and development-intensive ZIP codes. Official San Francisco ZIP mapping associates 94103 with South of Market, while the ZIP also intersects parts of the Mission geography. That mix produces a broadband market with very different building types and network conditions within a relatively small area.

94103 is centered on South of Market rather than a single suburban residential pattern

San Francisco's ZIP/neighborhood reference materials identify 94103 with South of Market, while current geographic sources also associate parts of the Mission with the ZIP. The resulting broadband geography includes dense residential, commercial and mixed-use blocks rather than one uniform housing environment.

High-density housing makes building-level verification unusually important

94103 contains high-rise residential buildings, condominiums, apartments, lofts, converted industrial properties and mixed-use buildings. In these properties, the network serving the street is only part of the availability question. Building entry facilities, internal wiring, unit configuration and property arrangements can determine whether a resident can actually order a particular service.

The ZIP has more than one significant fixed-wireless network

Current ZIP-level provider data reports XNET at approximately 63.7% and Etheric at approximately 62.9%, alongside T-Mobile at approximately 59.9%. These percentages should not be interpreted as overlapping service at the same addresses, but they show that fixed wireless is a meaningful part of the 94103 broadband market rather than a fringe option limited to remote locations.

Fiber exists in the ZIP, but Sonic's ZIP footprint is much smaller than its citywide network

Sonic describes its San Francisco network as wholly owned 10-Gigabit fiber, while current ZIP-level data reports Sonic at approximately 12.8% in 94103. A Sonic address-level result at 1600 15th Street confirms that at least some properties inside 94103 can receive Sonic fiber. The local lesson is that a low ZIP percentage does not mean the network should be ignored when checking an individual address.

Development patterns create different broadband questions within the same ZIP

A newer residential tower, a converted SoMa warehouse and an older apartment building can have very different telecommunications infrastructure even when they are only a few blocks apart. Newer construction may have different internal wiring and provider arrangements from older buildings, while fixed wireless introduces separate questions about signal and capacity.

94103 local broadband findings

These findings separate the measurable ZIP-level provider evidence from conclusions that would require an exact street address.

Finding	Evidence	What it means for a 94103 address
Xfinity cable	Current ZIP provider data reports 85.2%; another 94103 source reports 99.4% cable availability	Xfinity is a major wired option, but the different dataset estimates demonstrate why a live address check is still necessary.
AT&T	Current ZIP provider data reports 72.5%; AT&T confirms fiber availability in parts of San Francisco	AT&T should be checked independently, but the ZIP percentage should not be interpreted as 72.5% fiber coverage.
T-Mobile 5G	Current ZIP provider data reports approximately 59.9%	Fixed wireless is a meaningful alternative in 94103, but eligibility depends on address and network capacity.
XNET WiFi	Current ZIP provider data reports approximately 63.7% fixed-wireless availability	Local fixed wireless should be included in a complete provider search rather than limiting research to national cable and fiber brands.
Etheric Networks	Current ZIP provider data reports approximately 62.9% fixed-wireless availability	Etheric may be relevant at properties where other wired providers are unavailable or where a wireless alternative is being considered.
Astound Broadband	Current ZIP provider data reports 27.1%; another 94103 source reports approximately 40.8% cable availability	Astound represents a meaningful but incomplete second cable footprint within the ZIP.
Sonic fiber	Current ZIP provider data reports 12.8%; Sonic confirms a San Francisco 10-Gigabit network and has returned a 94103 address result	Sonic should be checked at the property even though its ZIP-level reported footprint is comparatively limited.
Verizon 5G	Current ZIP provider data reports Verizon 5G internet in 94103	Verizon is a property-specific wireless option rather than a substitute for wired availability data.

Neighborhoods and development patterns inside 94103

Neighborhood names help explain the geography, but broadband networks follow streets, buildings, utility routes and network facilities rather than postal boundaries. The areas below are therefore context for the 94103 market, not provider-availability guarantees.

South of Market (SoMa) The central geographic identity of 94103. SoMa contains a mixture of residential towers, apartments, offices, converted industrial buildings and mixed-use properties, making building-level provider verification important.

Mission / northern Mission geography Parts of the Mission neighborhood extend into 94103 and 94110. A ZIP boundary therefore does not represent a complete neighborhood network boundary.

Showplace Square A mixed-use area associated with the broader 94103 geography. Older industrial and newer residential or commercial properties can have different internal telecommunications arrangements.

Mid-Market / Market Street area Dense urban development and larger multifamily buildings make the serviceable network at a specific building more useful than a ZIP-wide provider list.

Mission Dolores edge Mission Dolores is associated with both 94103 and 94110. Properties close to the ZIP boundary should be checked by exact address rather than inferred from the neighboring ZIP's provider profile.

Mixed-use residential corridors Commercial ground floors and residential units above them can introduce building-specific wiring, equipment-room and installation considerations that do not appear in ZIP-level coverage percentages.

Why this matters: 94103 combines dense urban development with multiple network types. A provider listed as available somewhere in the ZIP may not be serviceable at a particular tower, loft building, apartment or unit. This is especially important when comparing fiber and fixed wireless against the broad cable network.

Nearby San Francisco ZIP-code broadband guides

Adjacent ZIP codes can have materially different provider footprints. Use each ZIP as a separate research area rather than assuming that the 94103 network mix continues unchanged across the boundary.

94102 Civic Center / Tenderloin broadband guide 94105 Financial District / Rincon Hill broadband guide 94107 SoMa / Potrero Hill / Mission Bay broadband guide 94110 Mission / Bernal Heights broadband guide

How to verify internet service at a 94103 address

Because 94103 contains overlapping wired and wireless networks, the most useful verification process is to check the major wired networks first and then investigate fixed-wireless alternatives.

1. Check the wired networks first

Check AT&T for fiber availability at the exact address.
Check Xfinity for current cable service and available tiers.
Check Astound because its footprint covers only part of 94103.
Check Sonic even though its ZIP-level footprint is smaller, because individual 94103 addresses can qualify for fiber.

2. Compare fixed wireless separately

Check T-Mobile Home Internet at the exact address.
Check Verizon 5G Home Internet separately.
Check XNET and Etheric where available.
Do not infer eligibility from a nearby building or ZIP percentage.

3. Compare more than download speed

Upload speed
Latency
Network congestion
Data caps or network-management policies
Equipment and Wi-Fi requirements
Installation and building access requirements
Introductory versus regular pricing

4. Treat ZIP-level data as a research layer

ZIP-level datasets are valuable for identifying the provider landscape in 94103, but they do not describe a single uniform service boundary. The current sources reviewed produce different percentages for Xfinity, Astound and other providers because they use different data and methodologies. Provider address checkers should therefore take precedence when determining what a specific property can order.

What to compare before choosing a 94103 connection

The provider mix in 94103 makes the physical network and building infrastructure important parts of the comparison.

Fiber versus cable

Compare upload capacity

AT&T and Sonic fiber can provide symmetric upload and download performance where available. Cable service can offer high download speeds while using a different upload architecture. For cloud backups, large file transfers and upload-heavy work, that difference can matter.

Dense housing

Verify the building

A provider's network may reach a street without every apartment or condominium unit being immediately serviceable. Building wiring, telecom rooms, unit configuration and installation access can affect the final result.

Wireless competition

Do not ignore fixed wireless

XNET, Etheric and T-Mobile have substantial reported ZIP-level footprints in the current dataset. Their presence means a complete 94103 comparison should include fixed wireless rather than focusing only on cable and fiber.

Check the exact 94103 address

ZIP-level research identifies the local market. Provider address tools determine which network and plan can actually be ordered.

Check Availability

Sources and methodology

This page gives greater weight to official provider information for network and service-area claims while using current ZIP-level provider datasets as a secondary coverage layer.

Official provider and local sources

AT&T's current San Francisco fiber page, which states that AT&T Fiber is available in parts of San Francisco and requires an address check.
AT&T's San Francisco home-internet page, which confirms AT&T internet service in San Francisco and directs customers to address-level availability.
Sonic's current San Francisco page, which describes its wholly owned 10-Gigabit fiber network and requires an address check.
Sonic's current availability system, which returned fiber service for a specific 94103 address.
Xfinity's official San Francisco location information, including its 2300 16th Street location in ZIP 94103.
Astound's current service checker, which requires a street address and ZIP code because availability varies by location.
San Francisco neighborhood and ZIP mapping used to establish the relationship between 94103, SoMa and the surrounding neighborhood geography.

ZIP-level broadband data

Current 94103 provider data reports approximately 72.5% AT&T, 85.2% Xfinity, 59.9% T-Mobile, 27.1% Astound, 63.7% XNET, 62.9% Etheric and 12.8% Sonic availability.
A separate current 94103 broadband source reports approximately 99.4% Xfinity cable availability and approximately 40.8% Astound cable availability.
The differing percentages are retained rather than averaged because the sources use different datasets and methodologies.
Provider coverage percentages are treated as research indicators, not as live guarantees that a specific home, apartment or unit can order service.

Research limitation: A ZIP code is a postal geography, not a broadband service boundary. 94103's dense urban development also means that a network can reach a building or street without every unit having identical service options. Coverage datasets have different update dates and methodologies, so the provider's current address checker remains the final verification step.

94103 internet provider FAQ

The answers below distinguish current ZIP-level evidence from what can actually be established for an individual San Francisco property.

What internet providers serve ZIP code 94103?

Current ZIP-level evidence identifies AT&T, Xfinity, T-Mobile, Verizon, Astound Broadband, Sonic, XNET, Etheric, Unwired and satellite providers in the 94103 market. The reported footprints differ substantially by provider, so the exact provider list for a property should be confirmed by address.

Is AT&T Fiber available in 94103?

AT&T states that AT&T Fiber is available in parts of San Francisco and lists speeds up to 5 Gbps where available. Current ZIP-level data reports AT&T service in 94103, but that ZIP figure should not be interpreted as 72.5% fiber coverage. The address checker determines whether a specific property receives fiber.

Is Sonic Fiber available in 94103?

Yes, Sonic fiber is present at some 94103 properties. Current ZIP-level provider data reports approximately 12.8% Sonic availability, while Sonic's San Francisco network is described as a wholly owned 10-Gigabit fiber network. Sonic's availability system has returned fiber service for an address at 1600 15th Street in 94103.

Does Xfinity serve 94103?

Yes. Current ZIP-level provider data reports approximately 85.2% Xfinity availability, while another 94103 broadband source reports approximately 99.4% cable availability. Xfinity also maintains a service location at 2300 16th Street in 94103. These facts establish local presence, but not guaranteed service at every building.

Does Astound Broadband serve 94103?

Astound appears in current ZIP-level broadband data for 94103. One current source reports approximately 27.1% availability, while another reports approximately 40.8% cable availability. The figures differ because the sources use different data methodologies. Astound's own address checker should be used for final verification.

Is T-Mobile 5G Home Internet available in 94103?

Current ZIP-level provider data reports approximately 59.9% T-Mobile 5G internet availability in 94103. Fixed-wireless service depends on the exact address, network capacity and wireless conditions, so the ZIP percentage should not be treated as an ordering guarantee.

Is Verizon 5G Home Internet available in 94103?

Verizon 5G internet appears in current 94103 provider data. Because wireless eligibility can depend on location and network capacity, Verizon's current address checker should be used to determine whether a specific property qualifies.

Are XNET and Etheric available in 94103?

Current ZIP-level provider data reports approximately 63.7% XNET availability and approximately 62.9% Etheric availability in 94103, both as fixed-wireless services. Those percentages indicate substantial reported ZIP-level presence but do not establish that either network reaches every building.

Can two nearby buildings in 94103 have different internet providers?

Yes. 94103 contains high-rise apartments, condominiums, lofts, converted industrial buildings and mixed-use properties. Wired networks can differ from building to building, while fixed-wireless eligibility can depend on signal and capacity. Internal building infrastructure can also affect the final service options.

Is the fastest advertised speed necessarily the best connection?

Not necessarily. Download speed is only one measurement. Upload capacity, latency, congestion, equipment, installation requirements, regular pricing after promotions and the physical technology reaching the property can materially change the practical characteristics of an internet connection.

Why do 94103 provider coverage percentages differ between sources?

Broadband datasets can use different update dates, provider records, geographic units and methods for calculating ZIP-level coverage. For 94103, the sources reviewed consistently show a multi-provider market, but the exact percentage assigned to a provider varies between datasets. The figures should therefore be read as coverage indicators rather than a single definitive measurement.

Why does this page use ZIP-level data instead of claiming exact coverage?

ZIP-level data is useful for identifying which networks operate in the 94103 market, but broadband networks do not follow postal boundaries exactly. In a dense urban ZIP such as 94103, building-level infrastructure can also affect serviceability. The most precise answer comes from checking the provider against the exact street address and unit.

Availability disclaimer: Provider names, technologies, advertised speeds, pricing and availability can change. ZIP-level broadband information does not guarantee service at an individual address. Apartment buildings, condominiums, lofts, mixed-use properties and individual units may have different network infrastructure. Always confirm service, technology, speed, equipment requirements and current pricing directly with the provider before ordering.