In Denville there are 4 residential Fiber providers covering 97.66% of the city. The average home can get speeds up to 7,933 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 Denville, NJ.
To see availability maps for all providers including fiber, cable, DSL, and more in Denville, NJ please click below.
Denville, NJ Availability Maps
Fiber Internet Service Providers in Denville
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 Denville are not shown.
Denville 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 Denville is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 97.66% of Denville. 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 Denville above to see who has service at your home.
How fast is fiber internet in Denville?
The map below shows maximum fiber internet speeds by area in Denville.
Fiber Internet Speed Key
The average Denville home can get up to 7,933 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 10,000 Mbps, which 1.25% 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 940 Mbps. See the internet provider details below for info about their speed and coverage in Denville.
Fiber internet speeds tend to be faster in the northwest parts of Denville, and slower in the southwest areas of the city.
Is fiber the fastest internet I can get in Denville?
The fastest internet for you may vary based on where in Denville you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 97.66% of Denville homes.
- Cable is fastest for 2.24% of the city.
- 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 Denville homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Denville, along with details on where in Denville and at what speeds.
Optimum Fiber in Denville, NJ
Optimum fiber coverage
About 96.20%, or 16,033 people, have Optimum fiber internet available to them in the city. The company covers the entire Denville area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Denville.
Optimum fiber download speeds
Optimum is above average when comparing download speeds to all other internet providers in Denville. Versus other fiber providers in the area, Optimum fiber is above average. There are no different maximum speeds throughout Denville. The fastest plan anyone in Denville can order from Optimum goes up to 8,000 Mbps, and all Denville customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Denville download speeds tend to be equal to than upload speeds for Optimum fiber. Compared to other ISPs, Optimum is above average where upload speeds are concerned, and above average compared to other Denville fiber providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Denville is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
EarthLink Fiber in Denville, NJ
EarthLink fiber coverage
About 96.10%, or 16,017 people, have EarthLink fiber internet available to them in the city. The company covers the entire Denville area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Denville.
EarthLink fiber download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Denville. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 2 different maximum speeds throughout Denville. The fastest plan anyone in Denville can order from EarthLink goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Denville customers is up to 1,212 Mbps.
Show all download speeds
- 24.5% up to 2,048.0 Mbps
- 75.5% up to 940.0 Mbps
EarthLink fiber upload speeds
In Denville download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Denville fiber providers. EarthLink offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Denville 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 1,166 Mbps.
Show all upload speeds
- 24.5% up to 2,048.0 Mbps
- 75.5% up to 880.0 Mbps
Verizon Fiber in Denville, NJ
Verizon fiber coverage
About 96.10%, or 16,017 people, have Verizon fiber internet available to them in the city. The company covers the entire Denville area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Denville.
Verizon fiber download speeds
Verizon is below average when comparing download speeds to all other internet providers in Denville. Versus other fiber providers in the area, Verizon fiber is one of the slowest. There are 2 different maximum speeds throughout Denville. The fastest plan anyone in Denville can order from Verizon goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Denville customers is up to 1,212 Mbps.
Show all download speeds
- 24.5% up to 2,048.0 Mbps
- 75.5% up to 940.0 Mbps
Verizon fiber upload speeds
In Denville download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and one of the slowest compared to other Denville fiber providers. Verizon offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Denville 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 1,166 Mbps.
Show all upload speeds
- 24.5% up to 2,048.0 Mbps
- 75.5% up to 880.0 Mbps
Planet Networks Fiber in Denville, NJ
Planet Networks fiber coverage
About 1.25%, or 209 people, have Planet Networks fiber internet available to them in the city. The company covers the northwest Denville area. Planet Networks is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Denville.
Planet Networks fiber download speeds
Planet Networks is the fastest when comparing download speeds to all other internet providers in Denville. Versus other fiber providers in the area, Planet Networks fiber is the fastest. There are no different maximum speeds throughout Denville. The fastest plan anyone in Denville can order from Planet Networks goes up to 10,000 Mbps, and all Denville customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
Planet Networks fiber upload speeds
In Denville download speeds tend to be equal to than upload speeds for Planet Networks fiber. Compared to other ISPs, Planet Networks is the fastest where upload speeds are concerned, and the fastest compared to other Denville fiber providers. Planet Networks offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Denville is up to 10,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
Denville Fiber by Area
This information is most helpful to those looking for homes or considering moving to Denville or any of the areas nearby.
How does fiber internet in Denville compare to the rest of New Jersey?
Fiber internet speeds in Denville are much faster versus the average speeds in New Jersey: 0.00 Mbps in New Jersey versus 7,933 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in New Jersey is 0.00% versus 97.66% in Denville.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Denville 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Mount Tabor, NJ: more fiber coverage, faster speeds
- Rockaway, NJ: less fiber coverage, slower speeds
- Mountain Lakes, NJ: more fiber coverage, faster speeds
- Morris Plains, NJ: more fiber coverage, slower speeds
- Victory Gardens, NJ: more fiber coverage, faster speeds
- Dover, NJ: more fiber coverage, slower speeds
- Hibernia, NJ: more fiber coverage, faster speeds
- Boonton, NJ: more fiber coverage, faster speeds
- Parsippany, NJ: less fiber coverage, slower speeds
- Lake Telemark, NJ: less fiber coverage, faster speeds
Cities with Similar Populations
- Telford, PA: more fiber coverage, slower speeds
- East Highland Park, VA: less fiber coverage, slower speeds
- Easthampton, MA: less fiber coverage, slower speeds
- Eatonton, GA: less fiber coverage, slower speeds
- Edgewater, NJ: more fiber coverage, slower speeds
- El Dorado, KS: less fiber coverage, slower speeds
- Upper Marlboro, MD: more fiber coverage, slower speeds
- Uniontown, OH: less fiber coverage, slower speeds
- Fairhaven, MA: less fiber coverage, slower speeds
- Tiverton, RI: less fiber coverage, slower speeds