ZIP 78249 broadband research · San Antonio, Texas Availability varies by exact service address
San Antonio ZIP 78249

78249 Internet Providers

Broadband in 78249 is a mixed-network market. Current ZIP-level records show a large Spectrum cable footprint alongside substantial AT&T and Google Fiber footprints, plus fixed-wireless and smaller network options. This guide focuses on the UT San Antonio, De Zavala Road, I-10 and Loop 1604 area rather than treating all of 78249 as one network.

●ZIP-level research identifies the local provider market. It does not replace an address check, especially in apartment properties, newer developments and areas where competing networks overlap.

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ZIP-code results describe the local service market. Provider eligibility, available technology, speeds and pricing can differ at individual addresses, apartment buildings and subdivisions.
Location
San Antonio, Texas · 78249
Main technologies
Fiber · Cable · 5G · Fixed Wireless · Satellite
Local evidence
Provider records + ZIP-level datasets
Research standard
Address verification required

What the 78249 broadband evidence shows

78249 is not a single-network ZIP. Current secondary broadband datasets show a strong wired market, with Spectrum cable reported across most of the ZIP and fiber networks from AT&T and Google Fiber covering substantial portions of it. Smaller fixed-wireless and fiber footprints add more address-level variation.

Fiber

Two major fiber footprints are reported

A current ZIP-level dataset reports AT&T Fiber at about 64.7% and Google Fiber at about 68% of 78249 locations. Those figures are coverage estimates from secondary datasets, not live ordering results. AT&T separately confirms fiber service in parts of San Antonio, while Google Fiber confirms an active San Antonio market.

Cable

Spectrum is the broad wired footprint

Current ZIP-level listings put Spectrum cable availability near 96% of 78249 locations; a separate FCC-derived dataset reports 94.85%. The agreement supports treating Spectrum as a major ZIP-wide wired option, while the exact address still controls service eligibility and plan details.

Wireless

Fixed wireless is locally documented

T-Mobile has multiple official 78249 locations that list Home Internet, including locations on De Zavala Road and Utsa Boulevard. Current ZIP-level data also reports Verizon and smaller wireless networks. These are alternatives, but wireless capacity and signal conditions make address checks especially important.

78249 provider comparison

The table separates direct local evidence from ZIP-level coverage data. Coverage percentages are dataset findings and are not proof that a specific residence can order the service.

ProviderTechnology78249 evidenceAdvertised maximumWhat to verify
AT&T Fiber
ZIP-level fiber evidence
FiberOne current secondary dataset reports AT&T Fiber at about 64.7% of ZIP locations. AT&T confirms fiber service in parts of San Antonio.Up to 5 Gbps where availableExact address, fiber tier, installation and current plan
Google Fiber
ZIP-level fiber evidence
FiberCurrent secondary datasets report Google Fiber in 78249 at roughly 68%. Google Fiber confirms San Antonio service and current multi-gig offerings.Up to 8 GbpsExact address and current build/service status
Spectrum
Broad ZIP footprint
Cable; selected fiberCurrent secondary ZIP data reports roughly 95.9% availability; another FCC-derived dataset reports 94.85% cable coverage.Up to 2 Gbps in select marketsResidential plan, upload speed and exact technology
T-Mobile 5G Home Internet
Local 78249 locations
5G fixed wirelessOfficial T-Mobile pages list Home Internet at 5238 De Zavala Rd, 5565 De Zavala Rd and 5611 Utsa Blvd, all in 78249.Plan-dependent; wireless speeds varyAddress eligibility, capacity and signal conditions
Verizon 5G Home Internet
ZIP-level wireless evidence
Fixed wirelessCurrent ZIP-level listings report Verizon 5G Internet in about 78.5% of 78249. Verizon's San Antonio page directs customers to an address check.Plan and location dependentExact address, 5G band and current eligibility
Astound Broadband
Limited ZIP footprint
Fiber / cableA current coverage dataset reports Astound in about 15.9% of 78249 locations, with a reported maximum around 1.5 Gbps.Up to 1.5 Gbps in reported footprintWhether the individual property is inside the footprint
VTX1
Fixed-wireless footprint
Fixed wirelessCurrent ZIP-level coverage data reports VTX1 at about 42.6% of 78249 locations, with reported speeds around 400 Mbps maximum.Up to about 400 Mbps in reported dataExact address, wireless path and current plan
XNET WiFi
Secondary ZIP evidence
Fixed wirelessCurrent secondary ZIP listings report XNET WiFi in roughly 53.4% of 78249, with speeds reported up to 2 Gbps. Treat this as a coverage indicator, not a live order result.Up to 2 Gbps in reported dataExact address, network path and current capacity
Satellite providers
Broad geographic option
SatelliteSatellite networks are independent of local cable and fiber plant, so they remain relevant where a property cannot obtain a suitable wired or terrestrial wireless connection.Provider and plan dependentLatency, clear sky view, equipment and plan terms
ZIP-level interpretation: Current secondary datasets disagree somewhat on coverage percentages and may use different reporting vintages or processing methods. The consistent finding is a large Spectrum footprint, substantial AT&T and Google Fiber footprints, and additional wireless and smaller-network options. The FCC National Broadband Map is designed for address-level provider and technology lookup and should be used alongside live provider checkers.

Internet providers serving the 78249 market

The provider descriptions distinguish network evidence from claims about universal ZIP coverage. The strongest local evidence comes from provider records and FCC Broadband Data Collection data; secondary datasets are used to expose the scale and technology mix inside the ZIP.

AT&T Fiber

FiberSymmetric plans where offeredUp to 5 Gbps

AT&T is a major fiber network in 78249. A current secondary dataset reports fiber coverage at about 64.7% of ZIP locations, while AT&T's own San Antonio page confirms that fiber is available in parts of the city and requires an address check. This indicates a substantial local footprint, not universal fiber service.

  • Fiber is the relevant AT&T technology to investigate at a 78249 address.
  • Current AT&T fiber offerings reach up to 5 Gbps where available.
  • AT&T's address checker determines the actual tier and installation requirements.
Local evidence: Secondary ZIP data reports 64.7% fiber availability; AT&T separately confirms fiber service in parts of San Antonio and requires address verification.

Google Fiber

FiberSan Antonio networkUp to 8 Gbps

Google Fiber is another substantial fiber signal in 78249. Current secondary ZIP datasets report approximately 68% coverage, while Google Fiber's official Texas page confirms an active San Antonio market and current offerings up to 8 Gbps. Because its public city material does not enumerate every 78249 address, the ZIP figure should be treated as a coverage estimate.

  • Google Fiber uses a fiber-to-the-home network where service is offered.
  • Current Texas offerings include multi-gig plans up to 8 Gbps.
  • The provider's address checker is the final test for a 78249 property.
Local evidence: Current ZIP-level datasets report Google Fiber in 78249; Google Fiber confirms San Antonio service and 8-Gig capability in Texas.

Spectrum

CableBroad 78249 footprintUp to 2 Gbps in select markets

Spectrum is the most broadly reported wired provider in 78249. A current secondary listing estimates 95.9% availability, while a separate FCC-derived dataset reports 94.85% cable coverage. That consistency makes Spectrum a significant ZIP-level competitor to fiber, although the exact plan, upload speed and technology still depend on the address.

  • Cable is the principal Spectrum residential technology reported in the ZIP.
  • Plans above 1 Gbps exist in selected markets, but the maximum should not be assumed for every 78249 address.
  • Use Spectrum's address checker for the actual plan and upload speed.
Local evidence: Two ZIP-level datasets place Spectrum cable availability around 95% in 78249.

T-Mobile 5G Home Internet

5G fixed wirelessMultiple 78249 locationsCapacity-dependent

T-Mobile has unusually direct local evidence for Home Internet in 78249. Official store pages list Home Internet at 5238 De Zavala Rd, 5565 De Zavala Rd and 5611 Utsa Blvd. These locations show active product support within the ZIP, but retail presence is not the same as residential eligibility.

  • Service uses T-Mobile's cellular network rather than a dedicated wired line.
  • Eligibility can vary by address and network capacity.
  • Signal conditions and building characteristics can affect the practical result.
Local evidence: T-Mobile's official 78249 pages list Home Internet at multiple local locations.

Verizon 5G Home Internet

Fixed wirelessZIP-level presenceAddress dependent

Verizon is a relevant wireless alternative in 78249. A current secondary listing reports Verizon 5G Internet availability at about 78.5% of ZIP locations, while Verizon's San Antonio page directs residents to an address-level availability check. The ZIP percentage is not a guarantee for an individual home.

  • Wireless eligibility depends on the local Verizon network deployment.
  • Building materials and signal conditions can affect indoor performance.
  • Verizon's current address checker determines whether Home Internet can be ordered.
Evidence standard: Verizon is included because current ZIP-level data identifies a substantial fixed-wireless presence; the provider's own address checker remains authoritative.

Astound Broadband

Fiber / cableLimited ZIP footprintVerify address

Astound appears in 78249 datasets but with a much smaller footprint than Spectrum or the larger fiber networks. A current coverage source reports roughly 15.9% availability and a maximum around 1.5 Gbps. This makes Astound worth checking at a specific property without presenting it as a ZIP-wide residential option.

  • The reported footprint is limited relative to the major wired networks.
  • Technology can differ by location.
  • Use an address check before treating Astound as a live option.
Evidence standard: Current ZIP-level coverage data identifies Astound in 78249; no claim is made that every neighborhood or property is serviceable.

VTX1

Fixed wirelessRegional providerUp to about 400 Mbps reported

VTX1 is a smaller regional network that appears materially in current 78249 coverage data. One current dataset reports about 42.6% coverage and maximum reported speeds around 400 Mbps. Because fixed-wireless footprints depend on the provider's network path and property conditions, the ZIP percentage is best used as a screening signal.

  • VTX1's reported local technology is fixed wireless.
  • Availability can depend on the property and wireless path.
  • Check the provider directly for current residential eligibility.
Local evidence: A current coverage dataset reports VTX1 in 78249 at roughly 42.6%, with a reported maximum near 400 Mbps.

XNET WiFi

Fixed wirelessSecondary ZIP evidenceAddress dependent

XNET WiFi also appears in current 78249 provider listings. One current secondary dataset reports roughly 53.4% availability and speeds up to 2 Gbps. Because the evidence is secondary, this page does not treat those figures as a guarantee or substitute for an address-level check.

  • Treat XNET as a property-specific possibility rather than universal ZIP coverage.
  • Confirm the actual technology and speed before comparing it with fiber or cable.
  • Ask whether capacity or wireless-path constraints apply to the address.
Evidence standard: XNET is included from current ZIP-level secondary data; live provider verification is required.

78249 internet speed guide

The local market contains both high-capacity fiber and a large cable footprint, so the useful comparison is not simply the highest advertised download number. Upload capacity, latency, network architecture and consistency at the property also matter.

100–300

Mbps

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

500 Mbps

Mbps

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

1–2 Gbps

High-capacity plans

More relevant for large households, substantial downloads or homes with many active devices.

3–8 Gbps

Multi-gig fiber

Available only where the local fiber network and property support the tier. Home networking hardware can become the limiting factor.

Do not compare download speed alone. For 78249 homes choosing among fiber, cable and fixed wireless, upload capacity, latency, congestion, equipment, installation and address-level availability can be as important as the advertised download number.

Connection types in 78249

The ZIP has enough network overlap that technology can change the practical choice from one address to the next.

Fiber

AT&T and Google Fiber are the two major fiber networks reported in current 78249 data. Secondary datasets put both at roughly two-thirds of ZIP locations, although the precise percentages vary. Fiber can provide high upload capacity and multi-gig service where the network reaches the property.

Cable

Spectrum has the broadest reported wired footprint in 78249, at roughly 95% in current ZIP-level listings. Cable can provide high download speeds, but upload performance can differ significantly from fiber at similar download tiers.

5G / fixed wireless

T-Mobile and Verizon add wireless home-internet choices that do not require a dedicated fiber or cable line to the home. T-Mobile's multiple 78249 locations provide direct evidence of a local Home Internet presence.

Smaller fixed wireless

VTX1 and XNET appear in current secondary 78249 datasets. These options are more address-sensitive than the large wired footprints and should be checked separately.

What is different about broadband in 78249?

78249 is closely tied to UT San Antonio, the I-10/De Zavala Road corridor and Loop 1604. The ZIP also overlaps Shavano Park, so a ZIP-level broadband map crosses local jurisdiction and property types rather than describing one uniform residential area.

1

UT San Antonio makes 78249 a distinct broadband market

UT San Antonio's main campus is at One UTSA Circle in 78249. The university describes the main campus as a major center for learning, research, student services and campus life. The ZIP therefore includes a substantial institutional and student-oriented environment alongside conventional residential properties. Apartment and off-campus addresses near the campus should be checked at the exact building or unit.

2

De Zavala Road has direct evidence of T-Mobile Home Internet

T-Mobile has an official store at 5238 De Zavala Rd, Ste 111, in 78249, and its page lists Home Internet. A second official T-Mobile location at 5565 De Zavala Rd also lists Home Internet. These locations establish an active product presence inside the ZIP but do not prove every nearby residence qualifies.

3

UTSA Boulevard also has a documented Home Internet location

T-Mobile's official Costco location at 5611 Utsa Blvd, San Antonio, TX 78249 lists T-Mobile Home Internet and provides an availability check. Multiple local locations are stronger evidence of local product presence than a generic San Antonio provider list, while the final service result remains address-specific.

4

Fiber competition is substantial

Current secondary datasets report AT&T Fiber and Google Fiber in roughly two-thirds of 78249 locations. The exact percentages differ slightly by dataset, but both identify substantial fiber footprints. Residents should therefore check both networks before assuming the local market has only cable for high-capacity wired service.

5

I-10 and Loop 1604 define important physical context

UT San Antonio's official directions place the main campus near Loop 1604, while TxDOT documents the I-10 corridor from Loop 1604 to De Zavala Road as part of the San Antonio transportation project area. Transportation corridors do not prove broadband construction, but they help explain the mix of campus, commercial, multifamily and established residential properties in the area.

6

78249 crosses local jurisdictional boundaries

Shavano Park uses 78249 as one of its ZIP codes. A ZIP-level provider list can therefore include properties outside the City of San Antonio. An exact-address lookup is especially important for Shavano Park addresses rather than assuming that a result from another part of 78249 applies.

7

Smaller networks add meaningful address-level variation

Current secondary data reports Astound at about 15.9% of 78249 locations, VTX1 at about 42.6% and XNET at about 53.4%. These figures show that the local market contains more than the largest consumer brands, but they should not be converted into neighborhood promises because smaller footprints can be highly property-specific.

8

The practical comparison is fiber versus cable plus wireless alternatives

The evidence supports a local comparison sequence: identify whether AT&T Fiber or Google Fiber reaches the address; compare Spectrum's cable service and upload characteristics; then check T-Mobile, Verizon and smaller fixed-wireless providers if wired choices are limited. That sequence reflects the documented 78249 network mix rather than a generic San Antonio list.

78249 coverage findings by area context

ZIP-level research cannot draw exact provider boundaries around neighborhoods. These notes identify local context that matters when interpreting the network data, not guarantees of service.

UT San Antonio / UTSA areaMain campus is in 78249; apartment and institutional properties should be checked by exact address and building.
De Zavala RoadMultiple T-Mobile Home Internet-enabled locations are documented in the 78249 corridor.
I-10 / Loop 1604 corridorMajor transportation corridors form part of the ZIP's physical context around UTSA and nearby development.
Shavano Park overlapSome 78249 addresses are in Shavano Park, so municipal boundaries do not match the ZIP boundary.
Established residential areasFiber and cable availability can differ by street or property even inside a heavily covered ZIP.
Multifamily propertiesBuilding wiring and property-level provider arrangements can change the options shown by ZIP-level data.

What to compare before choosing a 78249 connection

The local provider market makes a technology-first comparison more useful than choosing strictly by the highest advertised download speed.

Fiber versus cable

Look at upload capacity

AT&T and Google Fiber can offer symmetric fiber service where their networks reach the property, while Spectrum cable can have materially lower upload capacity at similar download tiers. This matters for cloud backups, remote work and large upstream transfers.

Apartment or campus-adjacent housing

Check the building, not only the ZIP

78249 includes the UTSA campus and surrounding multifamily housing. A provider may report service nearby while a particular building has different wiring, an exclusive arrangement or a different installation path.

Fixed wireless

Check eligibility and capacity

T-Mobile and Verizon can be alternatives where wired choices are limited, but wireless Home Internet is not equivalent to a ZIP-wide wired footprint. The result depends on the service address, capacity and radio conditions.

How to read the 78249 coverage data

The percentages on this page are deliberately presented as dataset findings rather than promises. The FCC National Broadband Map reports provider-submitted fixed broadband availability at individual location points, while third-party ZIP summaries may aggregate or process those records differently.

Use ZIP data for market structure

  • Identify which providers and technologies are reported in 78249.
  • See whether the ZIP has one dominant wired network or several overlapping networks.
  • Spot smaller providers worth checking at a particular address.
  • Compare fiber, cable and fixed-wireless footprints without treating percentages as guarantees.

Use address tools for the final decision

  • Enter the exact address into the FCC National Broadband Map.
  • Run the same address through AT&T, Google Fiber and Spectrum tools.
  • Check T-Mobile and Verizon separately because wireless eligibility is capacity-sensitive.
  • For apartments, confirm the exact unit or building and the technology actually delivered to the property.
Research limitation: The FCC says its National Broadband Map displays availability reported by ISPs and allows users to challenge inaccurate information. It is an availability resource, not a measure of affordability, actual performance or adoption. Older datasets may also reflect earlier reporting periods than current provider websites.

Check the exact 78249 address

ZIP-level research identifies the local market. Provider address tools and the FCC National Broadband Map determine what is reported for the property.

Check Availability

Sources and methodology

This page gives greater weight to official provider information for current service-area and product claims, while using FCC-derived secondary datasets as a ZIP-level coverage layer. Local institutional and transportation sources are used only for geographic context.

Official provider and local sources

Broadband data and methodology

Research limitation: A ZIP code is a mailing boundary, not a broadband service boundary. 78249 also includes addresses associated with Shavano Park. Provider coverage may differ by street, parcel, census location point, building, apartment unit and serviceable address.

78249 internet provider FAQ

Answers are based on the provider records and ZIP-specific evidence reviewed for this guide.

What internet providers serve ZIP code 78249?
Current ZIP-level evidence identifies Spectrum, AT&T, Google Fiber, T-Mobile, Verizon, Astound Broadband, VTX1 and XNET among the broadband options reported in 78249. Satellite services are also geographically relevant. The exact provider list for a property should be confirmed using the FCC National Broadband Map and provider address checkers.
Is AT&T Fiber available in 78249?
Current secondary ZIP-level data reports a substantial AT&T Fiber footprint in 78249, with one dataset estimating about 64.7% of locations. AT&T's own San Antonio page confirms that fiber is available in parts of the city and requires an address check. The ZIP figure is not universal availability.
Is Google Fiber available in 78249?
Current secondary ZIP-level datasets report Google Fiber in 78249 at roughly 68% of locations. Google Fiber's official Texas page confirms San Antonio service and current offerings up to 8 Gbps. Use the provider's address checker for the final result.
Does Spectrum serve 78249?
Spectrum is reported as the broadest wired network in 78249. A current secondary listing estimates about 95.9% availability, and another FCC-derived dataset reports 94.85% cable coverage. These are ZIP-level estimates, not a guarantee for every property.
Is T-Mobile 5G Home Internet available in 78249?
T-Mobile has several official 78249 locations that list Home Internet, including 5238 De Zavala Rd, 5565 De Zavala Rd and 5611 Utsa Blvd. That establishes a local product presence. Residential eligibility still depends on the exact address and T-Mobile's current capacity and signal conditions.
Can two nearby homes in 78249 have different providers?
Yes. Fiber and cable plant can stop at different property boundaries, while fixed-wireless eligibility can change with network capacity and radio conditions. Apartment and condominium buildings can also have different wiring or provider arrangements.
Does 78249 include areas outside the City of San Antonio?
Yes. Shavano Park uses 78249 as one of its ZIP codes. That makes it especially important to use the exact address rather than assuming a provider result from one part of 78249 applies to every property.
Is the fastest advertised speed necessarily the best connection?
Not necessarily. Download speed is only one measure. Upload capacity, latency, congestion, equipment, installation, pricing after promotional periods and the actual technology reaching the property can materially change the comparison.
Why does this page use ZIP-level data instead of claiming exact coverage?
ZIP-level datasets identify the broadband market around 78249, but provider networks do not follow ZIP boundaries. The FCC National Broadband Map provides location-level availability information, while live provider address checkers are the appropriate final verification tools.
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, subdivisions and individual properties may have different network infrastructure. Always confirm service, technology, speed, equipment requirements and current pricing directly with the provider before ordering.
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