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DSDownloadSpeed
FCC Data · Updated April 2026
B

Best Internet in Sullivan, NH

1000 Mbps avg · 15 ZIP codes · 100% fiber · 10 providers/ZIP

1000
Avg Mbps
1,000
Max Mbps
100%
Fiber Access
10
Avg Providers
Providers

Internet Providers in Sullivan

ProviderZIP Codes Served% of Area
United States Cellular Corporation15100%
Consolidated Communications15100%
Comcast15100%
T-Mobile15100%
Charter Communications INC15100%
Atlantic Broadband Finance, LLC15100%
Wireless Partners LLC15100%
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ZIP Codes in Sullivan

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FAQ

Frequently Asked Questions

What is the average internet speed in Sullivan, NH?

Sullivan, New Hampshire has an average maximum download speed of 1000 Mbps across 15 ZIP codes. The fastest available speed is 1000 Mbps. 100% of ZIP codes have fiber internet.

Who are the best internet providers in Sullivan?

The most widely available providers in Sullivan are United States Cellular Corporation (15 ZIPs), Consolidated Communications (15 ZIPs), Comcast (15 ZIPs). Check individual ZIP codes for exact availability at your address.

Is fiber internet available in Sullivan?

Yes, fiber internet is available in 100% of Sullivan's ZIP codes. Fiber coverage is good in this area. Search your specific ZIP code for exact fiber availability.

How does Sullivan compare to the rest of New Hampshire?

Sullivan has an average Broadband Grade of B (64/100). The Sullivan area averages 10 providers per ZIP code with 100% fiber access. Check the New Hampshire overview for statewide comparison.