Knox City Texas Area Code
One area code covers Knox City: 940.
The code covering Knox City
| Area code | Primarily serves | In service |
|---|---|---|
| 940 | Denton | 1997 |
Scope the codes matched to Knox City. Source geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot) and LocalCallingGuide NPA list (2026-07 NPA list). Updated . Overlay relationships come from the numbering-plan authority; the place match is computed.
Which part of town has which code
Knox City has a single code, so there is nothing to divide — every local line carries 940.
ZIP codes for the same city
Postal geography is organised separately from telephone geography, so Knox City’s 1 ZIP code do not map onto the codes above. They are listed in full, with the county each falls in, on the postal side of the site.
Nearby places with different codes
These are the closest places to Knox City whose area codes are not the same set. If you are near one of them, a local number may carry a code that is not on the list above.
| City | Distance | Their area codes |
|---|---|---|
| Stamford Texas area codes | 29 mi | 325 |
| Aspermont Texas area codes | 30 mi | 806, 940 |
| Hamlin Texas area codes | 41 mi | 325 |
| Lueders Texas area codes | 44 mi | 325 |
| Jayton Texas area codes | 45 mi | 806 |
| Anson Texas area codes | 46 mi | 325 |
| Paducah Texas area codes | 50 mi | 806 |
| Rotan Texas area codes | 54 mi | 325 |
Straight-line distance between place reference points, not driving distance.