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DSDownloadSpeed
FCC Data · Updated April 2026
B

Carroll County Internet

Carroll County, New Hampshire has a Broadband Grade of B with an average download speed of 1000 Mbps across 29 ZIP codes. 100% of the county has fiber internet access, and the area averages 10 providers per ZIP code. Internet access is above average for the U.S.

63
Score
1000 Mbps
Avg Download
100%
Fiber Access
10
Avg Providers
Grade Distribution

ZIP Code Grades in Carroll County

A
0
B
29
C
0
D
0
F
0
Best

Fastest ZIP Codes in Carroll County

ZIPGradeDownloadProvidersFiber
03227B1000 Mbps10Yes
03254B1000 Mbps10Yes
03259B1000 Mbps10Yes
03812B1000 Mbps10Yes
03813B1000 Mbps10Yes
03814B1000 Mbps10Yes
03816B1000 Mbps10Yes
03817B1000 Mbps10Yes
03818B1000 Mbps10Yes
03830B1000 Mbps10Yes
Needs Improvement

Slowest ZIP Codes in Carroll County

ZIPGradeDownloadProvidersFiber
03227B1000 Mbps10Yes
03254B1000 Mbps10Yes
03259B1000 Mbps10Yes
03812B1000 Mbps10Yes
03813B1000 Mbps10Yes
03814B1000 Mbps10Yes
03816B1000 Mbps10Yes
03817B1000 Mbps10Yes
03818B1000 Mbps10Yes
03830B1000 Mbps10Yes
FAQ

Frequently Asked Questions

What is the average internet speed in Carroll County, New Hampshire?

Carroll County, New Hampshire has an average maximum download speed of 1000 Mbps across 29 ZIP codes. The county received a Broadband Grade of B (63/100), which factors in download speed, provider competition, fiber availability, and upload speed. This meets the FCC broadband standard of 100 Mbps download.

How many internet providers are in Carroll County?

Carroll County has an average of 10 internet providers per ZIP code. 100% of ZIP codes in the county have fiber internet access. Having 3 or more providers typically leads to better prices and service quality through competition.

Is there fiber internet in Carroll County?

100% of ZIP codes in Carroll County, New Hampshire have fiber internet available. Fiber provides the fastest and most reliable connections, typically 500 Mbps to 5 Gbps with symmetrical upload speeds. Fiber coverage in this county is above the national average.

What is the best ZIP code for internet in Carroll County?

The best-connected ZIP code in Carroll County is 03227 with a Broadband Grade of B, 1000 Mbps maximum download, and 10 providers. Fiber internet is available in this ZIP code.

Test Your Speed

See how your connection compares to Carroll County's 1000 Mbps average.