In Mercer County there are 3 residential Fiber providers covering 92.41% of the county. The average home can get speeds up to 3,497 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 Mercer County, NJ.
To see availability maps for all providers including fiber, cable, DSL, and more in Mercer County, NJ please click below.
Mercer County, NJ Availability Maps
Fiber Internet Service Providers in Mercer County
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 Mercer County are not shown.
Mercer County 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 Mercer County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 92.41% of Mercer County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Optimum. Call one of the companies with service in Mercer County above to see who has service at your home.
How fast is fiber internet in Mercer County?
The map below shows maximum fiber internet speeds by area in Mercer County.
Fiber Internet Speed Key
The average Mercer County home can get up to 3,497 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 8,000 Mbps, which 25.91% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 18.28% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Mercer County.
Fiber internet speeds tend to be faster in the southeast parts of Mercer County, and slower in the west areas of the county.
Is fiber the fastest internet I can get in Mercer County?
The fastest internet for you may vary based on where in Mercer County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 75.09% of Mercer County homes.
- Cable is fastest for 22.24% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 2.67% of Mercer County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Mercer County, along with details on where in Mercer County and at what speeds.
EarthLink Fiber in Mercer County, NJ
EarthLink fiber coverage
About 92.06%, or 356,572 people, have EarthLink fiber internet available to them in the county. The company covers the entire Mercer County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Mercer County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Mercer County. Versus other fiber providers in the area, EarthLink fiber is below average. There are 2 different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from EarthLink goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the county-wide average maximum speed for Mercer County customers is up to 1,762 Mbps.
Show all download speeds
- 74.2% up to 2,048.0 Mbps
- 25.8% up to 940.0 Mbps
EarthLink fiber upload speeds
In Mercer County download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and below average compared to other Mercer County fiber providers. EarthLink offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Mercer County is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, EarthLink customers can get speeds up to 1,746 Mbps.
Show all upload speeds
- 74.2% up to 2,048.0 Mbps
- 25.8% up to 880.0 Mbps
Verizon Fiber in Mercer County, NJ
Verizon fiber coverage
About 92.06%, or 356,572 people, have Verizon fiber internet available to them in the county. The company covers the entire Mercer County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Mercer County.
Verizon fiber download speeds
Verizon is above average when comparing download speeds to all other internet providers in Mercer County. Versus other fiber providers in the area, Verizon fiber is below average. There are 2 different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from Verizon goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the county-wide average maximum speed for Mercer County customers is up to 1,762 Mbps.
Show all download speeds
- 74.2% up to 2,048.0 Mbps
- 25.8% up to 940.0 Mbps
Verizon fiber upload speeds
In Mercer County download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is above average where upload speeds are concerned, and below average compared to other Mercer County fiber providers. Verizon offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Mercer County is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, Verizon customers can get speeds up to 1,746 Mbps.
Show all upload speeds
- 74.2% up to 2,048.0 Mbps
- 25.8% up to 880.0 Mbps
Optimum Fiber in Mercer County, NJ
Optimum fiber coverage
About 25.91%, or 100,376 people, have Optimum fiber internet available to them in the county. The company covers the south, central, southeast, east, southwest, north, west, and northeast Mercer County area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Mercer County.
Optimum fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Mercer County. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from Optimum goes up to 8,000 Mbps, and all Mercer County customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Mercer County download speeds tend to be equal to than upload speeds for Optimum fiber. Compared to other ISPs, Optimum is the fastest where upload speeds are concerned, and the fastest compared to other Mercer County fiber providers. Optimum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Mercer County is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Mercer County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Mercer County or any of the areas nearby.
How does fiber internet in Mercer County compare to the rest of New Jersey?
Fiber internet speeds in Mercer County are much faster versus the average speeds in New Jersey: 0.00 Mbps in New Jersey versus 3,497 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in New Jersey is 0.00% versus 92.41% in Mercer County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Mercer County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Bucks County, PA: more fiber coverage, slower speeds
- Monmouth County, NJ: less fiber coverage, faster speeds
- Montgomery County, PA: more fiber coverage, slower speeds
- Berks County, PA: less fiber coverage, faster speeds
- Lebanon County, PA: less fiber coverage, slower speeds
- Dauphin County, PA: less fiber coverage, slower speeds
- Cumberland County, PA: less fiber coverage, slower speeds
- Westmoreland County, PA: less fiber coverage, slower speeds
- Washington County, PA: less fiber coverage, slower speeds
- Brooke County, WV: less fiber coverage, slower speeds
Counties with Similar Populations
- Manatee County, FL: less fiber coverage, faster speeds
- Rockingham County, NH: less fiber coverage, slower speeds
- Richland County, SC: less fiber coverage, faster speeds
- Pulaski County, AR: less fiber coverage, faster speeds
- Prince William County, VA: more fiber coverage, slower speeds
- Placer County, CA: less fiber coverage, slower speeds
- Pinal County, AZ: less fiber coverage, faster speeds
- Ottawa County, MI: less fiber coverage, faster speeds
- Orleans Parish, LA: less fiber coverage, faster speeds
- Orange County, NY: less fiber coverage, faster speeds