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DSDownloadSpeed
FCC Data · Updated April 2026
A

Hillsborough County Internet

Hillsborough County, New Hampshire has a Broadband Grade of A with an average download speed of 1000 Mbps across 34 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.

89
Score
1000 Mbps
Avg Download
100%
Fiber Access
10
Avg Providers
Grade Distribution

ZIP Code Grades in Hillsborough County

A
34
B
0
C
0
D
0
F
0
Best

Fastest ZIP Codes in Hillsborough County

ZIPGradeDownloadProvidersFiber
03031A1000 Mbps10Yes
03033A1000 Mbps10Yes
03043A1000 Mbps10Yes
03045A1000 Mbps10Yes
03047A1000 Mbps10Yes
03048A1000 Mbps10Yes
03049A1000 Mbps10Yes
03051A1000 Mbps10Yes
03052A1000 Mbps10Yes
03054A1000 Mbps10Yes
Needs Improvement

Slowest ZIP Codes in Hillsborough County

ZIPGradeDownloadProvidersFiber
03031A1000 Mbps10Yes
03033A1000 Mbps10Yes
03043A1000 Mbps10Yes
03045A1000 Mbps10Yes
03047A1000 Mbps10Yes
03048A1000 Mbps10Yes
03049A1000 Mbps10Yes
03051A1000 Mbps10Yes
03052A1000 Mbps10Yes
03054A1000 Mbps10Yes
FAQ

Frequently Asked Questions

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

Hillsborough County, New Hampshire has an average maximum download speed of 1000 Mbps across 34 ZIP codes. The county received a Broadband Grade of A (89/100), 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 Hillsborough County?

Hillsborough 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 Hillsborough County?

100% of ZIP codes in Hillsborough 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 Hillsborough County?

The best-connected ZIP code in Hillsborough County is 03031 with a Broadband Grade of A, 1000 Mbps maximum download, and 10 providers. Fiber internet is available in this ZIP code.

Test Your Speed

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