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Internet providers in 80104
Find internet providers serving the 80104 area. Compare plan pricing and speeds from fiber-optic, cable and DSL providers.
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80104 internet providers
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Provider | ||||
Xfinity | $29.99 | 25 - 987 Mbps | Cable | 98% |
CenturyLink | $65.00 | 20 - 1,000 Mbps | Fiber-optic | 0.346% |
CenturyLink | $45.00 | 20 - 140 Mbps | DSL | 72% |
HughesNet | $59.99 | 25 - 25 Mbps | Satellite | 100% |
Kellin Communications | $69.99 | 15 - 15 Mbps | Wireless | 100% |
Viasat | $50.00 | 12 - 12 Mbps | Satellite | 100% |
DirectLink | $69.90 | 15 - 15 Mbps | Wireless | 99% |
Skybeam | - | - | Wireless | 29% |
*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. As of Feb 22, 2021.
Need help?80104 internet service at a glance
At 100%, broadband coverage in the 80104 ZIP code is comparable to the rest of Colorado - 91%, and comparable to broadband coverage across the U.S. - 95%.
The vast majority of those living in the 80104 ZIP will have access to DSL, which covers 100% of households. Cable internet is also an option for many, offering service to 98% of the area. No fiber-optic providers are currently available in Castle Rock, but satellite or fixed-wireless providers may offer broadband options in your area.
There are seven internet providers serving the 80104 area, and 98.36% of households will have internet options from more than one provider. Among seven internet providers in 80104, prices start at $29.99 and available download speeds reach up to 1,000 Mbps.
Top high-speed internet providers in 80104
The largest internet providers serving the 80104 ZIP code are Xfinity, CenturyLink, and HughesNet bringing cable, DSL, and satellite options to the area.
Cable internet from Xfinity is available to nearly all in the 80104 ZIP code, covering 98% of households. Many will also have the option of DSL from CenturyLink, which covers 72% of the area. Castle Rock’s third most-available internet provider, HughesNet, offers satellite to around 100% of residents in the 80104 ZIP code.

Xfinity cable internet
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*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. Speeds may vary. As of Feb 22, 2021.
Cable from Xfinity offers broadband to nearly all households in the 80104 ZIP code, covering 98% of the area.
Xfinity’s cable network is likely to offer faster speeds than DSL or satellite service, but 80104 residents in densely populated areas may experience slowed speeds during peak usage times.
Internet prices for Xfinity start at $29.99/mo.*, which is significantly lower than the average starting price for internet in Castle Rock, $54.15.
Xfinity customers who choose the lowest-priced plan can expect speeds up to 25 Mbps, which comes to an estimated $1.20 per Mbps, lower than the average cost per Mbps for the lowest priced plans in Castle Rock, $2.46.
For those who value internet speed as much as cost, Xfinity offers download speeds up to 987 Mbps and upload speeds up to 35 Mbps in 80104 ZIP code. These download speeds are available to 98% of the area, and are much faster than the average max speeds from all Castle Rock's providers, 366 Mbps.

CenturyLink DSL internet
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*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. Speeds may vary. As of Feb 22, 2021.
DSL from CenturyLink offers broadband to most households in the 80104 ZIP code, covering 72% 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 lower than the average starting price for internet in Castle Rock, $54.15.
CenturyLink customers who choose the lowest-priced plan can expect speeds up to 20 Mbps, which comes to an estimated $2.25 per Mbps, about the same as the average cost per Mbps for the lowest priced plans in Castle Rock, $2.46.
For those who value internet speed as much as cost, CenturyLink offers download speeds up to 140 Mbps and upload speeds up to 40 Mbps in 80104 ZIP code. These download speeds are available to 72% of the area, and are much slower than the average max speeds from all Castle Rock's providers, 366 Mbps.

HughesNet satellite internet
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*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. Speeds may vary. As of Feb 22, 2021.
Satellite from HughesNet offers broadband to all households in the 80104 ZIP code, covering 100% of the area.
HughesNet satellite internet offers reliable connection throughout the 80104 ZIP where other internet types may not be available, but service is likely to come with low monthly data allowances and high latency, making streaming binges and real-time online gaming impractical.
Internet prices for HughesNet start at $59.99/mo.*, which is higher than the average starting price for internet in Castle Rock, $54.15.
HughesNet customers who choose the lowest-priced plan can expect speeds up to 25 Mbps, which comes to an estimated $2.40 per Mbps, about the same as the average cost per Mbps for the lowest priced plans in Castle Rock, $2.46.
For those who value internet speed as much as cost, HughesNet offers download speeds up to 25 Mbps and upload speeds up to 3 Mbps in 80104 ZIP code. These download speeds are available to 100% of the area, and are much slower than the average max speeds from all Castle Rock's providers, 366 Mbps.
Internet providers in 80104 frequently asked questions
What’s the fastest internet provider in 80104?
CenturyLink is the fastest internet provider in the 80104 ZIP code with download speeds up to 1,000 Mbps. These speeds are available to 0.346% of households in 80104. The next fastest internet provider in the 80104 ZIP code is Xfinity, offering download speeds up to 987 Mbps to 98% of the area.
What’s the cheapest internet provider in 80104?
Xfinity offers the cheapest internet in the 80104 ZIP with service starting at $29.99/mo. This is significantly less than the average starting price for internet in Castle Rock, $54.15.
Is fiber internet available in 80104?
CenturyLink is the largest fiber-optic internet service provider serving the 80104 ZIP code, covering 0.346% of the city.
What internet providers are available at my address?
No matter where you live, your address is likely serviceable for satellite internet from providers such as HughesNet and Viasat. You will probably also have the option of at least one cable provider, such as Cox, Spectrum and Xfinity, and DSL providers such as Frontier and Verizon. Roughly a third of households will be eligible for fiber internet from AT&T, CenturyLink, Windstream or other providers.
How much speed do I need for streaming?
Each video streaming service has varying recommended speeds, but speeds up to 10 Mbps will often handle streaming on one device. For HD and 4K streaming, consider faster speeds of at least 25 Mbps to reduce buffering and maintain optimal picture quality.
How can I lower my cable bill?
Downgrading services or cutting extras, such as Wi-Fi extenders or premium tech support, can lower your monthly internet bill. You can also try to negotiate with your internet provider for a lower rate. Switching internet providers and bundling internet with other services is another common way to lower internet costs.