In Downtown Harbor-Post Road South there are 4 residential Fiber providers covering 99.65% of the neighborhood. The average home can get speeds up to 7,985 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 Downtown Harbor-Post Road South, Milford, CT.
To see availability maps for all providers including fiber, cable, DSL, and more in Downtown Harbor-Post Road South, Milford, CT please click below.
Downtown Harbor-Post Road South, Milford, CT Availability Maps
Fiber Internet Service Providers in Downtown Harbor-Post Road South
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 Downtown Harbor-Post Road South are not shown.
Downtown Harbor-Post Road South 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 Downtown Harbor-Post Road South is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 99.65% of Downtown Harbor-Post Road South. 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 Downtown Harbor-Post Road South above to see who has service at your home.
How fast is fiber internet in Downtown Harbor-Post Road South?
The map below shows maximum fiber internet speeds by area in Downtown Harbor-Post Road South.

Fiber Internet Speed Key
The average Downtown Harbor-Post Road South home can get up to 7,985 Mbps on their fiber internet plan. The fastest fiber download speed in the neighborhood is 8,000 Mbps, which 99.44% 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 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Downtown Harbor-Post Road South.
Fiber internet speeds tend to be faster in the northeast parts of Downtown Harbor-Post Road South, and slower in the east areas of the neighborhood.
Is fiber the fastest internet I can get in Downtown Harbor-Post Road South?
The fastest internet for you may vary based on where in Downtown Harbor-Post Road South you live. In general, cable competes most often with fiber in the neighborhood.
- Fiber is the fastest internet type for 99.65% of Downtown Harbor-Post Road South homes.
- Cable is fastest for less than 1% of the neighborhood.
- 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 Downtown Harbor-Post Road South homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Downtown Harbor-Post Road South, along with details on where in Downtown Harbor-Post Road South and at what speeds.
XFINITY from Comcast Fiber in Downtown Harbor-Post Road South, Milford, CT

XFINITY fiber coverage
About 99.49%, or 7,985 people, have XFINITY fiber internet available to them in the neighborhood. The company covers the entire Downtown Harbor-Post Road South area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Downtown Harbor-Post Road South.
XFINITY from Comcast fiber download speeds
XFINITY is below average when comparing download speeds to all other internet providers in Downtown Harbor-Post Road South. Versus other fiber providers in the area, XFINITY fiber is below average. There are 3 different maximum speeds throughout Downtown Harbor-Post Road South. The fastest plan anyone in Downtown Harbor-Post Road South can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the neighborhood-wide average maximum speed for Downtown Harbor-Post Road South customers is up to 1,149 Mbps.
Show all download speeds
- 6.4% up to 2,000.0 Mbps
- 42.3% up to 1,200.0 Mbps
- 51.3% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In Downtown Harbor-Post Road South download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the slowest compared to other Downtown Harbor-Post Road South fiber providers. XFINITY offers 3 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Downtown Harbor-Post Road South is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 943 Mbps.
Show all upload speeds
- 94.1% up to 1,000.0 Mbps
- 0.1% up to 250.0 Mbps
- 5.9% up to 35.0 Mbps
Optimum Fiber in Downtown Harbor-Post Road South, Milford, CT

Optimum fiber coverage
About 99.44%, or 7,981 people, have Optimum fiber internet available to them in the neighborhood. The company covers the entire Downtown Harbor-Post Road South area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Downtown Harbor-Post Road South.
Optimum fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Downtown Harbor-Post Road South. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Downtown Harbor-Post Road South. The fastest plan anyone in Downtown Harbor-Post Road South can order from Optimum goes up to 8,000 Mbps, and all Downtown Harbor-Post Road South customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Downtown Harbor-Post Road South 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 Downtown Harbor-Post Road South fiber providers. Optimum offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Downtown Harbor-Post Road South is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Frontier Communications Fiber in Downtown Harbor-Post Road South, Milford, CT

Frontier fiber coverage
About 98.72%, or 7,923 people, have Frontier fiber internet available to them in the neighborhood. The company covers the entire Downtown Harbor-Post Road South area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Downtown Harbor-Post Road South.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in Downtown Harbor-Post Road South. Versus other fiber providers in the area, Frontier fiber is above average. There are no different maximum speeds throughout Downtown Harbor-Post Road South. The fastest plan anyone in Downtown Harbor-Post Road South can order from Frontier goes up to 7,000 Mbps, and all Downtown Harbor-Post Road South customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Frontier Communications fiber upload speeds
In Downtown Harbor-Post Road South download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is above average where upload speeds are concerned, and above average compared to other Downtown Harbor-Post Road South fiber providers. Frontier offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Downtown Harbor-Post Road South is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
GoNetSpeed Fiber in Downtown Harbor-Post Road South, Milford, CT

GoNetSpeed fiber coverage
About 3.13%, or 251 people, have GoNetSpeed fiber internet available to them in the neighborhood. The company covers the southeast and east Downtown Harbor-Post Road South area. GoNetSpeed is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Downtown Harbor-Post Road South.
GoNetSpeed fiber download speeds
GoNetSpeed is below average when comparing download speeds to all other internet providers in Downtown Harbor-Post Road South. Versus other fiber providers in the area, GoNetSpeed fiber is the slowest. There are no different maximum speeds throughout Downtown Harbor-Post Road South. The fastest plan anyone in Downtown Harbor-Post Road South can order from GoNetSpeed goes up to 1,000 Mbps, and all Downtown Harbor-Post Road South customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
GoNetSpeed fiber upload speeds
In Downtown Harbor-Post Road South download speeds tend to be equal to than upload speeds for GoNetSpeed fiber. Compared to other ISPs, GoNetSpeed is below average where upload speeds are concerned, and below average compared to other Downtown Harbor-Post Road South fiber providers. GoNetSpeed offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Downtown Harbor-Post Road South is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Downtown Harbor-Post Road South Fiber by Area
This information is most helpful to those looking for homes or considering moving to Downtown Harbor-Post Road South or any of the areas nearby.
How does fiber internet in Downtown Harbor-Post Road South compare to the rest of Milford?
Fiber internet speeds in Downtown Harbor-Post Road South are much faster versus the average speeds in Milford: 0.00 Mbps in Milford versus 7,985 Mbps in the neighborhood. The city has similar fiber availability compared to the neighborhood. Average fiber coverage in Milford is 0.00% versus 99.65% in Downtown Harbor-Post Road South.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Downtown Harbor-Post Road South 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 neighborhoods?
Below are neighborhoods nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Neighborhoods
- Parkway-Wheelers Farm Road, Milford, CT: more fiber coverage, slower speeds
- Post Road North, Milford, CT: less fiber coverage, slower speeds
- Devon-Walnut Beach, Milford, CT: less fiber coverage, slower speeds
- Stratford Center Historic District, Stratford, CT: less fiber coverage, faster speeds
- Boston Avenue-Mill Hill, Bridgeport, CT: less fiber coverage, faster speeds
- North Bridgeport, Bridgeport, CT: more fiber coverage, faster speeds
- East End, Bridgeport, CT: more fiber coverage, faster speeds
- East Side-Bridgeport, Bridgeport, CT: less fiber coverage, faster speeds
- Reservoir-Whiskey Hill, Bridgeport, CT: more fiber coverage, faster speeds
- Downtown Bridgeport, Bridgeport, CT: less fiber coverage, slower speeds
Neighborhoods with Similar Populations
- Pembroke, Detroit, MI: less fiber coverage, slower speeds
- Far Westside, Syracuse, NY: less fiber coverage, slower speeds
- Felida-Starcrest, Vancouver, WA: less fiber coverage, slower speeds
- Guide Meridian, Bellingham, WA: less fiber coverage, slower speeds
- Marina, San Diego, CA: less fiber coverage, slower speeds
- Menomonee River Hills, Milwaukee, WI: less fiber coverage, slower speeds
- Midtown-San Jose, Palo Alto, CA: less fiber coverage, slower speeds
- Midway, Henderson, NV: less fiber coverage, slower speeds
- Normandie Heights, Pasadena, CA: less fiber coverage, slower speeds
- Pacheco-Martinez, Martinez, CA: less fiber coverage, slower speeds


