In Jefferson Parish there are 3 residential Fiber providers covering 76.76% of the county. The average home can get speeds up to 4,798 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 Jefferson Parish, LA.
To see availability maps for all providers including fiber, cable, DSL, and more in Jefferson Parish, LA please click below.
Jefferson Parish, LA Availability Maps
Fiber Internet Service Providers in Jefferson Parish
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 Jefferson Parish are not shown.
Jefferson Parish 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 Jefferson Parish is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 76.76% of Jefferson Parish. 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 Jefferson Parish above to see who has service at your home.
How fast is fiber internet in Jefferson Parish?
The map below shows maximum fiber internet speeds by area in Jefferson Parish.
Fiber Internet Speed Key
The average Jefferson Parish home can get up to 4,798 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 5,000 Mbps, which 72.85% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.82% 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 Jefferson Parish.
Fiber internet speeds tend to be faster in the west parts of Jefferson Parish, and slower in the northeast areas of the county.
Is fiber the fastest internet I can get in Jefferson Parish?
The fastest internet for you may vary based on where in Jefferson Parish you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 73.43% of Jefferson Parish homes.
- Cable is fastest for 25.51% 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 less than 1% of Jefferson Parish homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Jefferson Parish, along with details on where in Jefferson Parish and at what speeds.
EarthLink Fiber in Jefferson Parish, LA
EarthLink fiber coverage
About 75.73%, or 333,800 people, have EarthLink fiber internet available to them in the county. The company covers the entire Jefferson Parish area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Jefferson Parish.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in Jefferson Parish. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout Jefferson Parish. The fastest plan anyone in Jefferson Parish can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for Jefferson Parish customers is up to 4,848 Mbps.
Show all download speeds
- 96.2% up to 5,000.0 Mbps
- 3.8% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Jefferson Parish 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 Jefferson Parish 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 Jefferson Parish 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 4,848 Mbps.
Show all upload speeds
- 96.2% up to 5,000.0 Mbps
- 3.8% up to 1,000.0 Mbps
AT&T Fiber in Jefferson Parish, LA
AT&T fiber coverage
About 75.73%, or 333,800 people, have AT&T fiber internet available to them in the county. The company covers the entire Jefferson Parish area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Jefferson Parish.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in Jefferson Parish. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout Jefferson Parish. The fastest plan anyone in Jefferson Parish can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for Jefferson Parish customers is up to 4,848 Mbps.
Show all download speeds
- 96.2% up to 5,000.0 Mbps
- 3.8% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Jefferson Parish 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 Jefferson Parish fiber providers. AT&T 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 Jefferson Parish 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 4,848 Mbps.
Show all upload speeds
- 96.2% up to 5,000.0 Mbps
- 3.8% up to 1,000.0 Mbps
Cox Communications Fiber in Jefferson Parish, LA
Cox fiber coverage
About 3.02%, or 13,303 people, have Cox fiber internet available to them in the county. The company covers the north, southeast, central, northwest, east, and west Jefferson Parish 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 Jefferson Parish.
Cox Communications fiber download speeds
Cox is below average when comparing download speeds to all other internet providers in Jefferson Parish. Versus other fiber providers in the area, Cox fiber is below average. There are 2 different maximum speeds throughout Jefferson Parish. The fastest plan anyone in Jefferson Parish can order from Cox goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for Jefferson Parish customers is up to 1,026 Mbps.
Show all download speeds
- 2.6% up to 2,000.0 Mbps
- 97.4% up to 1,000.0 Mbps
Cox Communications fiber upload speeds
In Jefferson Parish 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 Jefferson Parish fiber providers. Cox offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson Parish is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Jefferson Parish Fiber by Area
This information is most helpful to those looking for homes or considering moving to Jefferson Parish or any of the areas nearby.
How does fiber internet in Jefferson Parish compare to the rest of Louisiana?
Fiber internet speeds in Jefferson Parish are much faster versus the average speeds in Louisiana: 0.00 Mbps in Louisiana versus 4,798 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Louisiana is 0.00% versus 76.76% in Jefferson Parish.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Jefferson Parish 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
- Orleans Parish, LA: less fiber coverage, slower speeds
- St. Bernard Parish, LA: less fiber coverage, slower speeds
- St. Charles Parish, LA: less fiber coverage, slower speeds
- Plaquemines Parish, LA: less fiber coverage, slower speeds
- St. John the Baptist Parish, LA: less fiber coverage, slower speeds
- St. Tammany Parish, LA: less fiber coverage, slower speeds
- Lafourche Parish, LA: less fiber coverage, slower speeds
- St. James Parish, LA: less fiber coverage, slower speeds
- Terrebonne Parish, LA: less fiber coverage, slower speeds
- Ascension Parish, LA: more fiber coverage, slower speeds
Counties with Similar Populations
- Spokane County, WA: less fiber coverage, slower speeds
- Orange County, NY: less fiber coverage, faster speeds
- Prince William County, VA: more fiber coverage, slower speeds
- Polk County, IA: more fiber coverage, faster speeds
- Plymouth County, MA: more fiber coverage, slower speeds
- Placer County, CA: less fiber coverage, slower speeds
- Pinal County, AZ: less fiber coverage, faster speeds
- Passaic County, NJ: more fiber coverage, faster speeds
- Osceola County, FL: less fiber coverage, slower speeds
- Orleans Parish, LA: less fiber coverage, slower speeds