In 66503 there are 5 residential Fiber providers covering 81.19% of the zip. The average home can get speeds up to 3,025 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 Fiber internet providers in 66503, KS.
To see availability maps for all providers including fiber, cable, DSL, and more in 66503, KS please click below.
Fiber Internet Service Providers in 66503
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 66503 are not shown.
66503 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 66503 is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 81.19% of 66503. Areas in green have fiber 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 66503 above to see who has service at your home.
How fast is fiber internet in 66503?
The map below shows maximum fiber internet speeds by area in 66503.

Fiber Internet Speed Key
The average 66503 home can get up to 3,025 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 5,000 Mbps, which 39.20% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 34.38% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in 66503.
Fiber internet speeds tend to be faster in the east parts of 66503, and slower in the southwest areas of the zip.
Is fiber the fastest internet I can get in 66503?
The fastest internet for you may vary based on where in 66503 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 50.39% of 66503 homes.
- Cable is fastest for 47.53% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.43%.
- Satellite internet may be the only option for less than 1% of 66503 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 66503, along with details on where in 66503 and at what speeds.
EarthLink Fiber in 66503, KS

EarthLink fiber coverage
About 57.39%, or 9,502 people, have EarthLink fiber internet available to them in the zip. The company covers the east, southeast, central, south, northeast, west, and north 66503 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of 66503.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in 66503. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout 66503. The fastest plan anyone in 66503 can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 66503 customers is up to 3,732 Mbps.
Show all download speeds
- 68.3% up to 5,000.0 Mbps
- 31.7% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In 66503 download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 66503 fiber providers. EarthLink 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 66503 is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 3,732 Mbps.
Show all upload speeds
- 68.3% up to 5,000.0 Mbps
- 31.7% up to 1,000.0 Mbps
AT&T Fiber in 66503, KS

AT&T fiber coverage
About 57.39%, or 9,502 people, have AT&T fiber internet available to them in the zip. The company covers the east, southeast, central, south, northeast, west, and north 66503 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of 66503.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in 66503. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout 66503. The fastest plan anyone in 66503 can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 66503 customers is up to 3,732 Mbps.
Show all download speeds
- 68.3% up to 5,000.0 Mbps
- 31.7% up to 1,000.0 Mbps
AT&T fiber upload speeds
In 66503 download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 66503 fiber providers. AT&T 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 66503 is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 3,732 Mbps.
Show all upload speeds
- 68.3% up to 5,000.0 Mbps
- 31.7% up to 1,000.0 Mbps
WTC Fiber in 66503, KS

WTC fiber coverage
About 51.07%, or 8,456 people, have WTC fiber internet available to them in the zip. The company covers the entire 66503 area. WTC is a large internet service provider internet service providers in the US, with internet service available in a majority of 66503.
WTC fiber download speeds
WTC is average when comparing download speeds to all other internet providers in 66503. Versus other fiber providers in the area, WTC fiber is one of the slowest. There are no different maximum speeds throughout 66503. The fastest plan anyone in 66503 can order from WTC goes up to 1,000 Mbps, and all 66503 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
WTC fiber upload speeds
In 66503 download speeds tend to be equal to than upload speeds for WTC fiber. Compared to other ISPs, WTC is above average where upload speeds are concerned, and below average compared to other 66503 fiber providers. WTC offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 66503 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Twin Valley Communications Fiber in 66503, KS

Twin Valley Communications fiber coverage
About 5.39%, or 893 people, have Twin Valley Communications fiber internet available to them in the zip. The company covers the northwest 66503 area. Twin Valley Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 66503.
Twin Valley Communications fiber download speeds
Twin Valley Communications is above average when comparing download speeds to all other internet providers in 66503. Versus other fiber providers in the area, Twin Valley Communications fiber is below average. There are no different maximum speeds throughout 66503. The fastest plan anyone in 66503 can order from Twin Valley Communications goes up to 2,000 Mbps, and all 66503 customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Twin Valley Communications fiber upload speeds
In 66503 download speeds tend to be equal to than upload speeds for Twin Valley Communications fiber. Compared to other ISPs, Twin Valley Communications is above average where upload speeds are concerned, and above average compared to other 66503 fiber providers. Twin Valley Communications offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 66503 is up to 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
Cox Communications Fiber in 66503, KS

Cox fiber coverage
About 2.23%, or 369 people, have Cox fiber internet available to them in the zip. The company covers the west, northwest, north, and southeast 66503 area. Cox is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 66503.
Cox Communications fiber download speeds
Cox is above average when comparing download speeds to all other internet providers in 66503. Versus other fiber providers in the area, Cox fiber is below average. There are 2 different maximum speeds throughout 66503. The fastest plan anyone in 66503 can order from Cox goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 66503 customers is up to 1,995 Mbps.
Show all download speeds
- 99.5% up to 2,000.0 Mbps
- 0.5% up to 1,000.0 Mbps
Cox Communications fiber upload speeds
In 66503 download speeds tend to be faster than than upload speeds for Cox fiber. Compared to other ISPs, Cox is below average where upload speeds are concerned, and the slowest compared to other 66503 fiber providers. Cox offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 66503 is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
66503 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 66503 or any of the areas nearby.
How does fiber internet in 66503 compare to the rest of Kansas?
Fiber internet speeds in 66503 are much faster versus the average speeds in Kansas: 0.00 Mbps in Kansas versus 3,025 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Kansas is 0.00% versus 81.19% in 66503.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 66503 are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber 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
- 66506, KS: less fiber coverage, faster speeds
- 66502, KS: more fiber coverage, faster speeds
- 66517, KS: less fiber coverage, faster speeds
- 66535, KS: more fiber coverage, slower speeds
- 66531, KS: more fiber coverage, slower speeds
- 66514, KS: less fiber coverage, slower speeds
- 66449, KS: more fiber coverage, slower speeds
- 66547, KS: more fiber coverage, slower speeds
- 67487, KS: more fiber coverage, slower speeds
- 66407, KS: more fiber coverage, slower speeds
Zip Codes with Similar Populations
- 19425, PA: more fiber coverage, slower speeds
- 19015, PA: more fiber coverage, slower speeds
- 07502, NJ: more fiber coverage, faster speeds
- 11239, NY: more fiber coverage, faster speeds
- 16117, PA: less fiber coverage, faster speeds
- 60192, IL: less fiber coverage, faster speeds
- 70062, LA: less fiber coverage, faster speeds
- 70053, LA: less fiber coverage, faster speeds
- 70006, LA: more fiber coverage, faster speeds
- 67002, KS: more fiber coverage, faster speeds


