Internet providers in 78666

Find internet providers serving the 78666 area. Compare plan pricing and speeds from fiber-optic, cable and DSL providers.

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78666 internet providers

Provider
Spectrum $44.99 200 - 300 MbpsCable92%
CenturyLink $45.00 20 - 80 MbpsDSL97%
CenturyLink $65.00 20 - 40 MbpsFiber-optic14%
Grande Communications $35.99 300 - 1,000 MbpsCable70%
Grande Communications $35.99 300 - 1,000 MbpsFiber-optic10%
Shop providers Need help? Call: (844) 512-2720

78666 internet service at a glance

At 99%, broadband coverage in the 78666 ZIP code is comparable to the rest of Texas - 91%, and comparable to broadband coverage across the U.S. - 95%.

The vast majority of those living in the 78666 ZIP will have access to DSL, which covers 99% of households. Cable internet is also an option for many, offering service to 93% of the area. Fiber-optic is less available but still a popular internet option for roughly 25% of those living in the 78666 ZIP code.

There are nine internet providers serving the 78666 area, and 93.09% of households will have internet options from more than one provider. Among nine internet providers in 78666, prices start at $29.95 and available download speeds reach up to 1,000 Mbps.

Top high-speed internet providers in 78666

The largest internet providers serving the 78666 ZIP code are Spectrum and CenturyLink bringing cable, DSL, and fiber-optic options to the area.

Cable internet from Spectrum is available to nearly all in the 78666 ZIP code, covering 92% of households. Many will also have the option of DSL from CenturyLink, which covers 97% of the area. San Marcos’s third most-available internet provider, CenturyLink, offers fiber-optic to around 14% of residents in the 78666 ZIP code.

Spectrum cable internet

Provider
Spectrum
Starting price*
$44.99/mo.
Max download speed

300 Mbps

Max upload speed

20 Mbps

Average availability

92%

Cable from Spectrum offers broadband to nearly all households in the 78666 ZIP code, covering 92% of the area.

Spectrum’s cable network is likely to offer faster speeds than DSL or satellite service, but 78666 residents in densely populated areas may experience slowed speeds during peak usage times.

Internet prices for Spectrum start at $44.99/mo.*, which is about the same as the average starting price for internet in San Marcos, $44.32.

Spectrum customers who choose the lowest-priced plan can expect speeds up to 200 Mbps, which comes to an estimated $0.22 per Mbps, about the same as the average cost per Mbps for the lowest priced plans in San Marcos, $0.18.

For those who value internet speed as much as cost, Spectrum offers download speeds up to 300 Mbps and upload speeds up to 20 Mbps in 78666 ZIP code. These download speeds are available to 92% of the area, and are much slower than the average max speeds from all San Marcos's providers, 422 Mbps.

Check availability Call us: (844) 512-2720

CenturyLink DSL internet

Provider
CenturyLink
Starting price*
$45/mo.
Max download speed

80 Mbps

Max upload speed

10 Mbps

Average availability

97%

DSL from CenturyLink offers broadband to nearly all households in the 78666 ZIP code, covering 97% of the area.

DSL internet from CenturyLink uses telephone lines to deliver service, which often leads to lower prices and higher availability, though download speeds are likely to be slower than cable or fiber-optic internet.

Internet prices for CenturyLink start at $45/mo.*, which is about the same as the average starting price for internet in San Marcos, $44.32.

CenturyLink customers who choose the lowest-priced plan can expect speeds up to 20 Mbps, which comes to an estimated $2.25 per Mbps, higher than the average cost per Mbps for the lowest priced plans in San Marcos, $0.18.

For those who value internet speed as much as cost, CenturyLink offers download speeds up to 80 Mbps and upload speeds up to 10 Mbps in 78666 ZIP code. These download speeds are available to 97% of the area, and are much slower than the average max speeds from all San Marcos's providers, 422 Mbps.

Check availability Call us: (844) 512-2720

CenturyLink fiber-optic internet

Provider
CenturyLink
Starting price*
$65/mo.
Max download speed

40 Mbps

Max upload speed

20 Mbps

Average availability

14%

Fiber-optic from CenturyLink offers broadband to a limited number of households in the 78666 ZIP code, covering 14% of the area.

Fiber-optic service from CenturyLink is popular for its fast download and upload speeds, even during peak usage times, but may be less available throughout 78666 ZIP code than other internet types.

Internet prices for CenturyLink start at $65/mo.*, which is significantly higher than the average starting price for internet in San Marcos, $44.32.

CenturyLink customers who choose the lowest-priced plan can expect speeds up to 20 Mbps, which comes to an estimated $3.25 per Mbps, significantly higher than the average cost per Mbps for the lowest priced plans in San Marcos, $0.18.

For those who value internet speed as much as cost, CenturyLink offers download speeds up to 40 Mbps and upload speeds up to 20 Mbps in 78666 ZIP code. These download speeds are available to 14% of the area, and are much slower than the average max speeds from all San Marcos's providers, 422 Mbps.

Check availability Call us: (844) 512-2720

Internet coverage for rural areas

If you have limited cable, DSL and fiber-optic internet options in the 78666 ZIP code, satellite and fixed wireless providers may be available.

Satellite internet from HughesNet and Viasat offers 100% availability in 78666 and the greater San Marcos area. HughesNet starting prices are significantly higher than average in San Marcos at $59.99/mo. for speeds up to 25 Mbps. Viasat starting prices are higher than average in San Marcos at $50/mo. for speeds up to 12 Mbps. Satellite internet is a less appealing option for many in the 78666 ZIP, however, as service typically comes with high latency and low data allowances.

Fixed wireless is another popular internet option for those in rural areas. Those living in or just outside of San Marcos may have access to fixed wireless internet service from HughesNet, with plans starting at $59.99 and available download speeds up to 25 Mbps. Fixed wireless service is less likely to come with the high latency of satellite internet, but monthly data limits can still be an issue compared to San Marcos DSL, cable, and fiber-optic internet providers.

Internet providers in 78666 frequently asked questions

Grande Communications is the fastest internet provider in the 78666 ZIP code with download speeds up to 1,000 Mbps. These speeds are available to 70% of households in 78666. The next fastest internet provider in the 78666 ZIP code is Grande Communications, offering download speeds up to 1,000 Mbps to 10% of the area.

Ranch Wireless offers the cheapest internet in the 78666 ZIP with service starting at $29.95/mo. This is significantly less than the average starting price for internet in San Marcos, $44.32.

CenturyLink is the largest fiber-optic internet service provider serving the 78666 ZIP code, covering 14% of the city. Grande Communications also offers fiber internet in 78666 and is available to 10% of households.

Available providers vary by address, but your location is likely serviceable for cable and DSL internet. Fiber internet may also be an internet option, but this technology is typically found in larger cities. Those living in rural areas not serviceable for cable, DSL or fiber internet may find satellite or fixed wireless internet to be their only options.

Fiber and cable internet are similar internet service types, but fiber offers a few advantages over cable. Fiber internet can deliver faster upload and download speeds than cable in most areas, and is less vulnerable to slowed speeds during peak usage times. Cable does have the advantage over fiber in terms of availability, covering 89% of U.S. households compared to fiber’s 38%.

Learn the penalty, if any, of canceling service with your current provider. Find other internet providers in your area and compare plans and pricing. Choose the internet provider and plan that best meets your needs. Order your new services and get your installation/activation date. Call your current internet provider and cancel service by the activation date of your new service.