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.
ZIP Code Grades in Carter County
Fastest ZIP Codes in Carter County
| ZIP | Grade | Download | Providers | Fiber |
|---|---|---|---|---|
| 73401 | C | 100 Mbps | 10 | Yes |
| 73435 | C | 100 Mbps | 10 | Yes |
| 73436 | C | 100 Mbps | 10 | Yes |
| 73437 | C | 100 Mbps | 10 | Yes |
| 73438 | C | 100 Mbps | 10 | Yes |
| 73443 | C | 100 Mbps | 10 | Yes |
| 73444 | C | 100 Mbps | 10 | Yes |
| 73458 | C | 100 Mbps | 10 | Yes |
| 73463 | C | 100 Mbps | 10 | Yes |
| 73481 | C | 100 Mbps | 10 | Yes |
Slowest ZIP Codes in Carter County
| ZIP | Grade | Download | Providers | Fiber |
|---|---|---|---|---|
| 73401 | C | 100 Mbps | 10 | Yes |
| 73435 | C | 100 Mbps | 10 | Yes |
| 73436 | C | 100 Mbps | 10 | Yes |
| 73437 | C | 100 Mbps | 10 | Yes |
| 73438 | C | 100 Mbps | 10 | Yes |
| 73443 | C | 100 Mbps | 10 | Yes |
| 73444 | C | 100 Mbps | 10 | Yes |
| 73458 | C | 100 Mbps | 10 | Yes |
| 73463 | C | 100 Mbps | 10 | Yes |
| 73481 | C | 100 Mbps | 10 | Yes |
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.
See how your connection compares to Carter County's 100 Mbps average.
For this entity, the underlying data on this page comes from the FCC Broadband Data Collection (BDC). The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
Every number on this page links back to the FCC Broadband Data Collection (BDC); the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. ZIPs, counties, and states with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: FCC Broadband Data Collection, 2026.