Spectrum internet in San Marcos, TX
Spectrum reports service to about 92% of residential locations in San Marcos, Texas, which ranks it #1 of 8 providers with meaningful coverage and makes it the provider reaching the most locations. Spectrum is Charter's cable internet service. It covers a large share of the country and typically advertises plans without contracts or data caps; confirm the terms for your address.
How Spectrum compares in San Marcos
| # | Provider | Technology (varies by address) | Locations covered |
|---|---|---|---|
| 1 | Spectrum | Fiber, Cable | 92% |
| 2 | Verizon | Fiber, Fixed wireless | 58% |
| 3 | T-Mobile Home Internet | Fixed wireless | 58% |
| 4 | Astound Broadband | Fiber, Cable | 51% |
| 5 | Valley Telephone Cooperative, Inc. (TX) | Fixed wireless | 51% |
| 6 | Brightspeed | Fiber, DSL | 46% |
| 7 | AT&T | Fiber, DSL, Fixed wireless | 29% |
| 8 | Guadalupe Valley Electric Cooperative | Fiber, Fixed wireless | 2% |
Share of residential locations in San Marcos where each provider reports service (FCC National Broadband Map, data as of December 31, 2025). See all providers in San Marcos.
Spectrum vs other providers
What technologies are available in San Marcos?
Fiber reaches about 39% of locations in San Marcos, so it is available in parts of the area but not everywhere. Plans of 100 Mbps or faster are reported for about 99%+ of locations, while gigabit-class service reaches about 46%. Fixed wireless home internet is reported for about 82% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in San Marcos that providers report they can serve. City-level figures, not your address.
Spectrum in places near San Marcos
- Kyle, TX (96%)
- Buda, TX (90%)
- Lockhart, TX (93%)
- New Braunfels, TX (92%)
- Seguin, TX (93%)
- Cibolo, TX (95%)
- Schertz, TX (95%)
- Bee Cave, TX (88%)
Plans and pricing
Plan prices and promotions change often and vary by address, so we do not list them. See Spectrum's current offers at your address with its availability checker.
Frequently asked questions
Is Spectrum available in San Marcos?
Spectrum reports service to about 92% of residential locations in San Marcos, per FCC data as of December 31, 2025. That ranks it #1 of 8 providers with meaningful coverage here. Availability depends on your exact address.
What type of internet does Spectrum offer in San Marcos?
Spectrum offers fiber, cable service across its footprint. The FCC summary does not say which technology reaches each address, so check your address with the provider.
Who are the main Spectrum competitors in San Marcos?
Other providers reporting at least 10% coverage in San Marcos include Verizon (58%), T-Mobile Home Internet (58%), Astound Broadband (51%), Valley Telephone Cooperative, Inc. (TX) (51%).
How do I check Spectrum availability at my address?
Use Spectrum's own address checker, or enter your ZIP code here to compare all providers for your area.
Compare all providers for your ZIP code
All about Spectrum · Internet in San Marcos · Spectrum in Texas · Texas · How we rank