In 73521 there are 2 residential DSL providers covering 41.35% of the zip. The average home can get speeds up to 10 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.
This page contains all DSL internet providers in 73521, OK.
To see availability maps for all providers including fiber, cable, DSL, and more in 73521, OK please click below.
DSL Internet Service Providers in 73521
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 73521 are not shown.
73521 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
Where in 73521 is DSL internet available?
DSL Internet Availability Key
DSL is available in 41.35% of 73521. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in 73521 above to see who has service at your home.
How fast is DSL internet in 73521?
The map below shows maximum DSL internet speeds by area in 73521.
DSL Internet Speed Key
The average 73521 home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 10 Mbps, which 41.35% of residents can get.
Is DSL the fastest internet I can get in 73521?
The fastest internet for you may vary based on where in 73521 you live. In general, fiber competes most often with DSL in the zip.
- Fiber is the fastest internet type for 82.58% of 73521 homes.
- Cable is fastest for less than 1% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 8.53%.
- Satellite internet may be the only option for 8.69% of 73521 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 73521, along with details on where in 73521 and at what speeds.
EarthLink DSL in 73521, OK
EarthLink DSL coverage
About 41.24%, or 8,473 people, have EarthLink DSL internet available to them in the zip. The company covers the entire 73521 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of 73521.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in 73521. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout 73521. The fastest plan anyone in 73521 can order from EarthLink goes up to 10 Mbps, and all 73521 customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In 73521 download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the fastest compared to other 73521 DSL providers. EarthLink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 73521 is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
AT&T DSL in 73521, OK
AT&T DSL coverage
About 41.24%, or 8,473 people, have AT&T DSL internet available to them in the zip. The company covers the entire 73521 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of 73521.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in 73521. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout 73521. The fastest plan anyone in 73521 can order from AT&T goes up to 10 Mbps, and all 73521 customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In 73521 download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the fastest compared to other 73521 DSL providers. AT&T offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 73521 is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
73521 DSL by Area
This information is most helpful to those looking for homes or considering moving to 73521 or any of the areas nearby.
How does DSL internet in 73521 compare to the rest of Oklahoma?
DSL internet speeds in 73521 are much faster versus the average speeds in Oklahoma: 0.00 Mbps in Oklahoma versus 10 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in Oklahoma is 0.00% versus 41.35% in 73521.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 73521 are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL internet 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
- 73556, OK: less DSL coverage, similar speeds
- 73526, OK: less DSL coverage, similar speeds
- 73560, OK: more DSL coverage, similar speeds
- 73570, OK: more DSL coverage, faster speeds
- 73566, OK: more DSL coverage, faster speeds
- 73559, OK: more DSL coverage, faster speeds
- 73555, OK: more DSL coverage, faster speeds
- 73544, OK: more DSL coverage, faster speeds
- 73552, OK: less DSL coverage, similar speeds
- 73550, OK: more DSL coverage, faster speeds
Zip Codes with Similar Populations
- 71105, LA: more DSL coverage, faster speeds
- 44147, OH: more DSL coverage, faster speeds
- 45406, OH: more DSL coverage, faster speeds
- 00757, PR: more DSL coverage, faster speeds
- 53913, WI: more DSL coverage, faster speeds
- 54937, WI: more DSL coverage, faster speeds
- 60093, IL: more DSL coverage, faster speeds
- 60106, IL: more DSL coverage, faster speeds
- 62801, IL: more DSL coverage, faster speeds
- 67205, KS: more DSL coverage, faster speeds