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DSDownloadSpeed
FCC Data · Updated April 2026
A

Pennington County Internet

Pennington County, South Dakota has a Broadband Grade of A with an average download speed of 1000 Mbps across 9 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.

90
Score
1000 Mbps
Avg Download
100%
Fiber Access
10
Avg Providers
Grade Distribution

ZIP Code Grades in Pennington County

A
9
B
0
C
0
D
0
F
0
Best

Fastest ZIP Codes in Pennington County

ZIPGradeDownloadProvidersFiber
57701A1000 Mbps10Yes
57702A1000 Mbps10Yes
57703A1000 Mbps10Yes
57725A1000 Mbps10Yes
57745A1000 Mbps10Yes
57751A1000 Mbps10Yes
57775A1000 Mbps10Yes
57780A1000 Mbps10Yes
57790A1000 Mbps10Yes
Needs Improvement

Slowest ZIP Codes in Pennington County

ZIPGradeDownloadProvidersFiber
57701A1000 Mbps10Yes
57702A1000 Mbps10Yes
57703A1000 Mbps10Yes
57725A1000 Mbps10Yes
57745A1000 Mbps10Yes
57751A1000 Mbps10Yes
57775A1000 Mbps10Yes
57780A1000 Mbps10Yes
57790A1000 Mbps10Yes
FAQ

Frequently Asked Questions

What is the average internet speed in Pennington County, South Dakota?

Pennington County, South Dakota has an average maximum download speed of 1000 Mbps across 9 ZIP codes. The county received a Broadband Grade of A (90/100), 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 Pennington County?

Pennington 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 Pennington County?

100% of ZIP codes in Pennington County, South Dakota 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 Pennington County?

The best-connected ZIP code in Pennington County is 57701 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 Pennington County's 1000 Mbps average.