In 80421 there are 12 residential internet providers covering 99.28% of the zip. The average home can get speeds up to 588 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
Jump to Availability Maps
12 Internet Service Providers in 80421
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in 80421 are not shown.
80421 Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Availability maps for all providers in 80421
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 99.28% of 80421. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is Highline. Now you can call companies in 80421 with more confidence that they might be available.
How fast are internet speeds in 80421?
The map below shows maximum internet speeds by area in 80421.
Internet Speed Key
The average 80421 home can get up to 588 Mbps on their internet plan. For most people, the fastest download speed in the zip is 2,000 Mbps, which 2.97% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 80421.
Internet speeds tend to be faster in the southeast parts of 80421, and slower in the northeast areas of the zip.
What type of internet should I choose in 80421?
The fastest internet for you may vary based on where in 80421 you live. If speed is your main concern, fixed wireless will be the fastest internet in the zip.
- Fiber is the fastest internet type for 43.96% of 80421 homes.
- Cable is fastest for 3.71% of the zip.
- DSL is fastest for 3.30%.
- Fixed wireless is fastest for 48.30%.
- Satellite internet may be the only option for less than 1% of 80421 homes.
Internet Market Health in 80421
Internet Competition Key
The map shows how competitive the 80421 internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in 80421 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.0 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.5 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 4.8 (healthy)
Overall, competition is unhealthy.
80421 internet customers have the ability to buy internet service from 1 to 9 different providers, depending on where they live. For different types of service, 80421 homes have between 1 and 4 options. The type(s) of service available are dsl, fixed wireless, fiber, and cable, though these may vary depending on the region within the zip.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. 80421 internet customers who want faster speeds have between 0 and 9 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, 80421 needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in 80421, along with details on where in 80421 and at what speeds.
Centurylink DSL in 80421, CO
Centurylink DSL coverage
About 98.48%, or 8,378 people, have Centurylink DSL internet available to them in the zip. The company covers the southeast, east, central, northwest, west, north, south, and southwest 80421 area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in most of 80421.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in 80421. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 6 different maximum speeds throughout 80421. The fastest plan anyone in 80421 can order from Centurylink goes up to 140 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 80421 customers is up to 73 Mbps.
Show all download speeds
- 1.7% up to 140.0 Mbps
- 49.0% up to 100.0 Mbps
- 12.9% up to 80.0 Mbps
- 4.8% up to 60.0 Mbps
- 16.0% up to 40.0 Mbps
- 15.5% up to 10.0 Mbps
Centurylink DSL upload speeds
In 80421 download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and the fastest compared to other 80421 DSL providers. Centurylink offers 6 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 80421 is up to 40 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 10 Mbps.
Show all upload speeds
- 8.7% up to 40.0 Mbps
- 1.7% up to 20.0 Mbps
- 53.2% up to 10.0 Mbps
- 5.3% up to 5.0 Mbps
- 15.5% up to 3.0 Mbps
- 15.5% up to 1.0 Mbps
Highline Fiber in 80421, CO
Highline fiber coverage
About 46.13%, or 3,924 people, have Highline fiber internet available to them in the zip. The company covers the southeast, east, and central 80421 area. Highline is a large internet service provider internet service providers in the US, with internet service available in some of 80421.
Highline fiber download speeds
Highline is above average when comparing download speeds to all other internet providers in 80421. Versus other fiber providers in the area, Highline fiber is the fastest. There are no different maximum speeds throughout 80421. The fastest plan anyone in 80421 can order from Highline goes up to 1,000 Mbps, and all 80421 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Highline fiber upload speeds
In 80421 download speeds tend to be faster than than upload speeds for Highline fiber. Compared to other ISPs, Highline is above average where upload speeds are concerned, and the slowest compared to other 80421 fiber providers. Highline offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 80421 is up to 200 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 200.0 Mbps
XFINITY from Comcast Cable in 80421, CO
XFINITY cable coverage
About 3.71%, or 316 people, have XFINITY cable internet available to them in the zip. The company covers the southeast and central 80421 area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 80421.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in 80421. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout 80421. The fastest plan anyone in 80421 can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the zip-wide average maximum speed for 80421 customers is up to 1,841 Mbps.
Show all download speeds
- 80.1% up to 2,000.0 Mbps
- 19.9% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In 80421 download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is above average where upload speeds are concerned, and the fastest compared to other 80421 cable providers. XFINITY offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 80421 is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 207 Mbps.
Show all upload speeds
- 80.1% up to 250.0 Mbps
- 19.9% up to 35.0 Mbps
Rise Broadband Fixed Wireless in 80421, CO
Rise Broadband fixed wireless coverage
About 93.04%, or 7,915 people, have Rise Broadband fixed wireless internet available to them in the zip. The company covers the entire 80421 area. Rise Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in most of 80421.
Rise Broadband fixed wireless download speeds
Rise Broadband is below average when comparing download speeds to all other internet providers in 80421. Versus other fixed wireless providers in the area, Rise Broadband fixed wireless is below average. There are 3 different maximum speeds throughout 80421. The fastest plan anyone in 80421 can order from Rise Broadband goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 80421 customers is up to 81 Mbps.
Show all download speeds
- 72.6% up to 100.0 Mbps
- 6.0% up to 50.0 Mbps
- 21.4% up to 25.0 Mbps
Rise Broadband fixed wireless upload speeds
In 80421 download speeds tend to be faster than than upload speeds for Rise Broadband fixed wireless. Compared to other ISPs, Rise Broadband is below average where upload speeds are concerned, and average compared to other 80421 fixed wireless providers. Rise Broadband offers 3 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 80421 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, Rise Broadband customers can get speeds up to 16 Mbps.
Show all upload speeds
- 72.6% up to 20.0 Mbps
- 6.0% up to 10.0 Mbps
- 21.4% up to 5.0 Mbps
T-Mobile Home Internet Fixed Wireless in 80421, CO
T-Mobile Home Internet fixed wireless coverage
About 65.52%, or 5,574 people, have T-Mobile Home Internet fixed wireless internet available to them in the zip. The company covers the entire 80421 area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of 80421.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in 80421. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout 80421. The fastest plan anyone in 80421 can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 80421 customers is up to 41 Mbps.
Show all download speeds
- 21.0% up to 100.0 Mbps
- 79.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In 80421 download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and below average compared to other 80421 fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 80421 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 6.6 Mbps.
Show all upload speeds
- 21.0% up to 20.0 Mbps
- 79.0% up to 3.0 Mbps
NETEO Fixed Wireless in 80421, CO
NETEO fixed wireless coverage
About 56.79%, or 4,831 people, have NETEO fixed wireless internet available to them in the zip. The company covers the southeast, east, central, west, and south 80421 area. NETEO is a large internet service provider internet service providers in the US, with internet service available in a majority of 80421.
NETEO fixed wireless download speeds
NETEO is below average when comparing download speeds to all other internet providers in 80421. Versus other fixed wireless providers in the area, NETEO fixed wireless is the fastest. There are 7 different maximum speeds throughout 80421. The fastest plan anyone in 80421 can order from NETEO goes up to 500 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 80421 customers is up to 330 Mbps.
Show all download speeds
- 57.7% up to 500.0 Mbps
- 3.7% up to 200.0 Mbps
- 19.4% up to 137.0 Mbps
- 5.5% up to 100.0 Mbps
- 0.9% up to 35.0 Mbps
- 3.3% up to 25.0 Mbps
- 9.5% up to 10.0 Mbps
NETEO fixed wireless upload speeds
In 80421 download speeds tend to be faster than than upload speeds for NETEO fixed wireless. Compared to other ISPs, NETEO is below average where upload speeds are concerned, and the fastest compared to other 80421 fixed wireless providers. NETEO offers 8 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 80421 is up to 100 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, NETEO customers can get speeds up to 34 Mbps.
Show all upload speeds
- 4.7% up to 100.0 Mbps
- 53.0% up to 40.0 Mbps
- 23.8% up to 30.0 Mbps
- 2.0% up to 25.0 Mbps
- 2.7% up to 20.0 Mbps
- 0.9% up to 10.0 Mbps
- 3.3% up to 5.0 Mbps
- 9.5% up to 1.0 Mbps
Verizon Fixed Wireless in 80421, CO
Verizon fixed wireless coverage
About 42.05%, or 3,577 people, have Verizon fixed wireless internet available to them in the zip. The company covers the southeast, east, central, south, west, and southwest 80421 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in some of 80421.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in 80421. Versus other fixed wireless providers in the area, Verizon fixed wireless is above average. There are no different maximum speeds throughout 80421. The fastest plan anyone in 80421 can order from Verizon goes up to 300 Mbps, and all 80421 customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In 80421 download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and above average compared to other 80421 fixed wireless providers. Verizon offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 80421 is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in 80421, CO
EarthLink fixed wireless coverage
About 39.11%, or 3,327 people, have EarthLink fixed wireless internet available to them in the zip. The company covers the southeast, east, central, west, and south 80421 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of 80421.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in 80421. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout 80421. The fastest plan anyone in 80421 can order from EarthLink goes up to 25 Mbps, and all 80421 customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In 80421 download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other 80421 fixed wireless providers. EarthLink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 80421 is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
AT&T Fixed Wireless in 80421, CO
AT&T fixed wireless coverage
About 39.11%, or 3,327 people, have AT&T fixed wireless internet available to them in the zip. The company covers the southeast, east, central, west, and south 80421 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of 80421.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in 80421. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout 80421. The fastest plan anyone in 80421 can order from AT&T goes up to 25 Mbps, and all 80421 customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In 80421 download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other 80421 fixed wireless providers. AT&T offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 80421 is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Visionary Broadband Fixed Wireless in 80421, CO
Visionary Broadband fixed wireless coverage
About 8.22%, or 699 people, have Visionary Broadband fixed wireless internet available to them in the zip. The company covers the southeast 80421 area. Visionary Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 80421.
Visionary Broadband fixed wireless download speeds
Visionary Broadband is below average when comparing download speeds to all other internet providers in 80421. Versus other fixed wireless providers in the area, Visionary Broadband fixed wireless is below average. There are no different maximum speeds throughout 80421. The fastest plan anyone in 80421 can order from Visionary Broadband goes up to 100 Mbps, and all 80421 customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Visionary Broadband fixed wireless upload speeds
In 80421 download speeds tend to be faster than than upload speeds for Visionary Broadband fixed wireless. Compared to other ISPs, Visionary Broadband is below average where upload speeds are concerned, and above average compared to other 80421 fixed wireless providers. Visionary Broadband offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 80421 is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
80421 Internet by Area
This information is most helpful to those looking for homes or considering moving to 80421 or any of the areas nearby.
How does internet in 80421 compare to the rest of Colorado?
Internet speeds in 80421 are much slower versus the average speeds in Colorado: 3,085 Mbps in Colorado versus 588 Mbps in the zip. The state has similar internet availability compared to the zip. Average internet coverage in Colorado is 98.59% versus 99.28% in 80421.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around 80421 are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service look like in other zip codes?
Below are zip codes nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Zip Codes
- 80470, CO: less internet coverage, slower speeds
- 80475, CO: less internet coverage, slower speeds
- 80433, CO: more internet coverage, slower speeds
- 80425, CO: less internet coverage, slower speeds
- 80127, CO: more internet coverage, faster speeds
- 80125, CO: more internet coverage, faster speeds
- 80128, CO: more internet coverage, faster speeds
- 80131, CO: more internet coverage, faster speeds
- 80135, CO: less internet coverage, faster speeds
- 80129, CO: less internet coverage, faster speeds
Zip Codes with Similar Populations
- 02054, MA: more internet coverage, faster speeds
- 99835, AK: less internet coverage, faster speeds
- 97009, OR: more internet coverage, faster speeds
- 95954, CA: less internet coverage, faster speeds
- 93546, CA: less internet coverage, faster speeds
- 91020, CA: more internet coverage, faster speeds
- 83619, ID: more internet coverage, faster speeds
- 27569, NC: more internet coverage, faster speeds
- 24605, VA: more internet coverage, faster speeds
- 13036, NY: more internet coverage, faster speeds