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DSDownloadSpeed
FCC Data · Updated April 2026
B

Marathon County Internet

Marathon County, Wisconsin has a Broadband Grade of B with an average download speed of 1000 Mbps across 16 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.

77
Score
1000 Mbps
Avg Download
100%
Fiber Access
10
Avg Providers
Grade Distribution

ZIP Code Grades in Marathon County

A
0
B
16
C
0
D
0
F
0
Best

Fastest ZIP Codes in Marathon County

ZIPGradeDownloadProvidersFiber
54401B1000 Mbps10Yes
54403B1000 Mbps10Yes
54405B1000 Mbps10Yes
54408B1000 Mbps10Yes
54411B1000 Mbps10Yes
54417B1000 Mbps10Yes
54421B1000 Mbps10Yes
54426B1000 Mbps10Yes
54427B1000 Mbps10Yes
54440B1000 Mbps10Yes
Needs Improvement

Slowest ZIP Codes in Marathon County

ZIPGradeDownloadProvidersFiber
54401B1000 Mbps10Yes
54403B1000 Mbps10Yes
54405B1000 Mbps10Yes
54408B1000 Mbps10Yes
54411B1000 Mbps10Yes
54417B1000 Mbps10Yes
54421B1000 Mbps10Yes
54426B1000 Mbps10Yes
54427B1000 Mbps10Yes
54440B1000 Mbps10Yes
FAQ

Frequently Asked Questions

What is the average internet speed in Marathon County, Wisconsin?

Marathon County, Wisconsin has an average maximum download speed of 1000 Mbps across 16 ZIP codes. The county received a Broadband Grade of B (77/100), 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 Marathon County?

Marathon 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 Marathon County?

100% of ZIP codes in Marathon County, Wisconsin 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 Marathon County?

The best-connected ZIP code in Marathon County is 54401 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 Marathon County's 1000 Mbps average.