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Plans By Zip

Home internet in San Antonio, TX

Updated October 2026 · By the PlansByZip editorial team · How we make money

89.1% of San Antonio households have an internet subscription and 74.8% have a wired line. Here is the city picture from the Census, and a check of the 53 San Antonio ZIP codes our call line covers.

  • 89.1% of San Antonio households are connected; 10.9% have no subscription (U.S. Census Bureau).
  • Wired broadband: 74.8% of homes, about the same as the Texas figure.
  • Call line covers 53 San Antonio ZIP codes: 78201, 78202, 78203, 78204, 78205, 78206....

What the Census says about San Antonio

HouseholdsSan AntonioTexasUnited States
With an internet subscription89.1%92.6%92.2%
Wired broadband (cable, fiber or DSL)74.8%75.3%76.3%
Cellular data plan only12%12.6%11.9%
Satellite internet5.8%8.2%6.6%
No internet subscription10.9%7.4%7.8%

City: U.S. Census Bureau, American Community Survey 2023 5-year estimates, table S2801 (San Antonio city, Texas, 547,883 households). State: 2023 1-year estimates. US: household-weighted average of the states.

Reading the San Antonio numbers

Cable, fiber or DSL reaches 74.8% of homes in San Antonio, which is about the same as Texas as a whole (75.3%) and 1.5 points below the US average (76.3%). Among the 17 Texas cities on this site, San Antonio ranks 8th for its wired share.

A typical city picture: cable on most streets, fiber on some, and a growing number of homes choosing 5G home internet instead. Ask for the exact address, because San Antonio blocks differ.

Phone-only households make up 12% of the city, 0.6 points below the statewide 12.6%; 10.9% have no internet subscription at all, 3.5 points above Texas overall (7.4%).

10.9% of homes here, about 59,719, have no internet subscription, 3.1 points above the national 7.8%; satellite is used by 5.8%. Both numbers tend to fall as fiber builds reach more blocks.

San Antonio ZIP codes on our call list

The agents who answer our number can check addresses in these 53 San Antonio ZIP codes: 78201, 78202, 78203, 78204, 78205, 78206, 78207, 78208, 78209, 78210, 78211, 78212, 78213, 78214, 78215, 78216, 78218, 78219, 78220, 78221, 78222, 78223, 78224, 78225, 78226, 78227, 78228, 78230, 78232, 78233, 78235, 78237, 78238, 78241, 78242, 78244, 78245, 78246, 78247, 78249, 78250, 78251, 78252, 78253, 78254, 78255, 78256, 78257, 78258, 78259, 78261, 78264, 78266. Type your ZIP in the box; if it is on the list the call button stays live. That is 9.5% of all the Texas ZIP codes on our list and the 2nd largest group of any Texas city.

53 San Antonio ZIP codes are on the call list.

Four steps for a San Antonio address

  1. Give the exact street address, not just "San Antonio". Lines change block by block.
  2. Decide the speed first with the speed guide, then listen to prices.
  3. Ask what the monthly price becomes after the promotion, and what the equipment fee adds.
  4. Book the install a week or two ahead if you are moving; see the moving checklist.

Statewide figures and the full list of covered Texas cities are on the Texas page.

Common questions

Is San Antonio well connected?

89.1% of households have an internet subscription and 74.8% have a wired line, about the same as the Texas average. Coverage in the city is broad; the gap is mostly homes that have a line available and do not subscribe.

What is the fastest internet in San Antonio?

Fiber where it has been built, then cable. Fiber is the only type with upload as fast as download. Which one reaches you depends on the block, so check the address rather than the ZIP alone.

My San Antonio ZIP is not on the list. What now?

The call button switches off for that ZIP, but everything else here still applies. The guides explain what to ask any provider, and the list is updated as the call partner adds areas, so check again in a few months.

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