In 16421 there are 9 residential internet providers covering 100.00% of the zip. The average home can get speeds up to 1,000 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.
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9 Internet Service Providers in 16421
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 16421 are not shown.
16421 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 16421
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.
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Internet service is available in 100.00% of 16421. 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 Spectrum. Now you can call companies in 16421 with more confidence that they might be available.
How fast are internet speeds in 16421?
The map below shows maximum internet speeds by area in 16421.
Internet Speed Key
The average 16421 home can get up to 1,000 Mbps on their internet plan. For most people, the fastest download speed in the zip is 1,000 Mbps, which 100.00% of residents can get.
What type of internet should I choose in 16421?
The fastest internet for you may vary based on where in 16421 you live. If speed is your main concern, cable will be the fastest internet in the zip.
- Fiber is the fastest internet type for 27.09% of 16421 homes.
- Cable is fastest for 72.91% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of 16421 homes.
Internet Market Health in 16421
Internet Competition Key
The map shows how competitive the 16421 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 16421 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 4.1 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.3 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 4.1 (unhealthy)
Overall, competition is unhealthy.
16421 internet customers have the ability to buy internet service from 2 to 7 different providers, depending on where they live. For different types of service, 16421 homes have between 2 and 3 options. The type(s) of service available are fixed wireless, cable, and fiber, 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 similar. 16421 internet customers who want faster speeds have between 2 and 7 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, 16421 needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in 16421, along with details on where in 16421 and at what speeds.
Spectrum Cable in 16421, PA
Spectrum cable coverage
About 98.34%, or 2,614 people, have Spectrum cable internet available to them in the zip. The company covers the entire 16421 area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of 16421.
Spectrum cable download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in 16421. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout 16421. The fastest plan anyone in 16421 can order from Spectrum goes up to 1,000 Mbps, and all 16421 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In 16421 download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the fastest compared to other 16421 cable providers. Spectrum offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 16421 is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
VNET Fiber Fiber in 16421, PA
VNET Fiber fiber coverage
About 24.34%, or 647 people, have VNET Fiber fiber internet available to them in the zip. The company covers the south, southwest, central, east, and southeast 16421 area. VNET Fiber is a large internet service provider internet service providers in the US, with internet service available in a small portion of 16421.
VNET Fiber fiber download speeds
VNET Fiber is one of the fastest when comparing download speeds to all other internet providers in 16421. Versus other fiber providers in the area, VNET Fiber fiber is one of the fastest. There are no different maximum speeds throughout 16421. The fastest plan anyone in 16421 can order from VNET Fiber goes up to 1,000 Mbps, and all 16421 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
VNET Fiber fiber upload speeds
In 16421 download speeds tend to be equal to than upload speeds for VNET Fiber fiber. Compared to other ISPs, VNET Fiber is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 16421 fiber providers. VNET Fiber offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 16421 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Armstrong Fiber in 16421, PA
Armstrong fiber coverage
About 5.27%, or 140 people, have Armstrong fiber internet available to them in the zip. The company covers the east, southeast, and northeast 16421 area. Armstrong is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 16421.
Armstrong fiber download speeds
Armstrong is one of the fastest when comparing download speeds to all other internet providers in 16421. Versus other fiber providers in the area, Armstrong fiber is one of the fastest. There are no different maximum speeds throughout 16421. The fastest plan anyone in 16421 can order from Armstrong goes up to 1,000 Mbps, and all 16421 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Armstrong fiber upload speeds
In 16421 download speeds tend to be equal to than upload speeds for Armstrong fiber. Compared to other ISPs, Armstrong is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 16421 fiber providers. Armstrong offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 16421 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Spectrum Fiber in 16421, PA
Spectrum fiber coverage
About 2.63%, or 70 people, have Spectrum fiber internet available to them in the zip. The company covers the southeast, northeast, and east 16421 area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 16421.
Spectrum fiber download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in 16421. Versus other fiber providers in the area, Spectrum fiber is one of the fastest. There are no different maximum speeds throughout 16421. The fastest plan anyone in 16421 can order from Spectrum goes up to 1,000 Mbps, and all 16421 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In 16421 download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other 16421 fiber providers. Spectrum 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 16421 is up to 500 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 194 Mbps.
Show all upload speeds
- 34.3% up to 500.0 Mbps
- 65.7% up to 35.0 Mbps
T-Mobile Home Internet Fixed Wireless in 16421, PA
T-Mobile Home Internet fixed wireless coverage
About 100.00%, or 2,658 people, have T-Mobile Home Internet fixed wireless internet available to them in the zip. The company covers the entire 16421 area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of 16421.
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 16421. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout 16421. The fastest plan anyone in 16421 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 16421 customers is up to 78 Mbps.
Show all download speeds
- 70.7% up to 100.0 Mbps
- 29.3% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In 16421 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 above average compared to other 16421 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 16421 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 15 Mbps.
Show all upload speeds
- 70.7% up to 20.0 Mbps
- 29.3% up to 3.0 Mbps
Verizon Fixed Wireless in 16421, PA
Verizon fixed wireless coverage
About 71.71%, or 1,906 people, have Verizon fixed wireless internet available to them in the zip. The company covers the entire 16421 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of 16421.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in 16421. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout 16421. The fastest plan anyone in 16421 can order from Verizon goes up to 300 Mbps, and all 16421 customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In 16421 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 the fastest compared to other 16421 fixed wireless providers. Verizon offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 16421 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 16421, PA
EarthLink fixed wireless coverage
About 54.59%, or 1,451 people, have EarthLink fixed wireless internet available to them in the zip. The company covers the south, southwest, north, northeast, southeast, west, east, and central 16421 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of 16421.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in 16421. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout 16421. The fastest plan anyone in 16421 can order from EarthLink goes up to 25 Mbps, and all 16421 customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In 16421 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 16421 fixed wireless providers. EarthLink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 16421 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 16421, PA
AT&T fixed wireless coverage
About 54.59%, or 1,451 people, have AT&T fixed wireless internet available to them in the zip. The company covers the south, southwest, north, northeast, southeast, west, east, and central 16421 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 16421.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in 16421. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout 16421. The fastest plan anyone in 16421 can order from AT&T goes up to 25 Mbps, and all 16421 customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In 16421 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 16421 fixed wireless providers. AT&T offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 16421 is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
16421 Internet by Area
This information is most helpful to those looking for homes or considering moving to 16421 or any of the areas nearby.
How does internet in 16421 compare to the rest of Pennsylvania?
Internet speeds in 16421 are slower versus the average speeds in Pennsylvania: 2,212 Mbps in Pennsylvania versus 1,000 Mbps in the zip. The state has similar internet availability compared to the zip. Average internet coverage in Pennsylvania is 98.60% versus 100.00% in 16421.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around 16421 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
- 16511, PA: equal internet coverage, faster speeds
- 16563, PA: equal internet coverage, faster speeds
- 16510, PA: less internet coverage, faster speeds
- 16428, PA: less internet coverage, slower speeds
- 16503, PA: less internet coverage, slower speeds
- 16504, PA: less internet coverage, faster speeds
- 16546, PA: less internet coverage, faster speeds
- 16507, PA: less internet coverage, faster speeds
- 16501, PA: less internet coverage, faster speeds
- 16502, PA: less internet coverage, slower speeds
Zip Codes with Similar Populations
- 03285, NH: less internet coverage, faster speeds
- 97341, OR: less internet coverage, faster speeds
- 92230, CA: less internet coverage, faster speeds
- 89034, NV: equal internet coverage, similar speeds
- 63369, MO: equal internet coverage, faster speeds
- 59922, MT: less internet coverage, slower speeds
- 59327, MT: less internet coverage, slower speeds
- 03855, NH: equal internet coverage, faster speeds
- 16327, PA: less internet coverage, slower speeds
- 06384, CT: less internet coverage, faster speeds