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DSDownloadSpeed
FCC Data · Updated April 2026
C

Carter County Internet

Carter County, Oklahoma has a Broadband Grade of C with an average download speed of 100 Mbps across 12 ZIP codes. 100% of the county has fiber internet access, and the area averages 10 providers per ZIP code. Internet access is near the national average.

54
Score
100 Mbps
Avg Download
100%
Fiber Access
10
Avg Providers
Grade Distribution

ZIP Code Grades in Carter County

A
0
B
0
C
12
D
0
F
0
Best

Fastest ZIP Codes in Carter County

ZIPGradeDownloadProvidersFiber
73401C100 Mbps10Yes
73435C100 Mbps10Yes
73436C100 Mbps10Yes
73437C100 Mbps10Yes
73438C100 Mbps10Yes
73443C100 Mbps10Yes
73444C100 Mbps10Yes
73458C100 Mbps10Yes
73463C100 Mbps10Yes
73481C100 Mbps10Yes
Needs Improvement

Slowest ZIP Codes in Carter County

ZIPGradeDownloadProvidersFiber
73401C100 Mbps10Yes
73435C100 Mbps10Yes
73436C100 Mbps10Yes
73437C100 Mbps10Yes
73438C100 Mbps10Yes
73443C100 Mbps10Yes
73444C100 Mbps10Yes
73458C100 Mbps10Yes
73463C100 Mbps10Yes
73481C100 Mbps10Yes
FAQ

Frequently Asked Questions

What is the average internet speed in Carter County, Oklahoma?

Carter County, Oklahoma has an average maximum download speed of 100 Mbps across 12 ZIP codes. The county received a Broadband Grade of C (54/100), 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 Carter County?

Carter 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 Carter County?

100% of ZIP codes in Carter County, Oklahoma 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 Carter County?

The best-connected ZIP code in Carter County is 73401 with a Broadband Grade of C, 100 Mbps maximum download, and 10 providers. Fiber internet is available in this ZIP code.

Test Your Speed

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