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DSDownloadSpeed
FCC Data · Updated April 2026
C

Sullivan County Internet

Sullivan County, Pennsylvania has a Broadband Grade of C with an average download speed of 100 Mbps across 9 ZIP codes. 0% of the county has fiber internet access, and the area averages 10 providers per ZIP code. Internet access is near the national average.

49
Score
100 Mbps
Avg Download
0%
Fiber Access
10
Avg Providers
Grade Distribution

ZIP Code Grades in Sullivan County

A
0
B
0
C
9
D
0
F
0
Best

Fastest ZIP Codes in Sullivan County

ZIPGradeDownloadProvidersFiber
17731C100 Mbps10No
17758C100 Mbps10No
17768C100 Mbps10No
18614C100 Mbps10No
18616C100 Mbps10No
18619C100 Mbps10No
18626C100 Mbps10No
18628C100 Mbps10No
18632C100 Mbps10No
Needs Improvement

Slowest ZIP Codes in Sullivan County

ZIPGradeDownloadProvidersFiber
17731C100 Mbps10No
17758C100 Mbps10No
17768C100 Mbps10No
18614C100 Mbps10No
18616C100 Mbps10No
18619C100 Mbps10No
18626C100 Mbps10No
18628C100 Mbps10No
18632C100 Mbps10No
FAQ

Frequently Asked Questions

What is the average internet speed in Sullivan County, Pennsylvania?

Sullivan County, Pennsylvania has an average maximum download speed of 100 Mbps across 9 ZIP codes. The county received a Broadband Grade of C (49/100), 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 Sullivan County?

Sullivan County has an average of 10 internet providers per ZIP code. 0% 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 Sullivan County?

0% of ZIP codes in Sullivan County, Pennsylvania have fiber internet available. Fiber provides the fastest and most reliable connections, typically 500 Mbps to 5 Gbps with symmetrical upload speeds. Fiber access is limited in this county. Residents may want to check if BEAD broadband funding is planned for their area.

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

The best-connected ZIP code in Sullivan County is 17731 with a Broadband Grade of C, 100 Mbps maximum download, and 10 providers. Fiber internet is not yet available in this ZIP code.

Test Your Speed

See how your connection compares to Sullivan County's 100 Mbps average.