Mountain City, TN Area Codes
Mountain City is served by area code 423. It is in Tennessee, Johnson County. About 12,943 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 423 |
| State / province | Tennessee |
| County | Johnson County |
| Population | 12,943 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 36.4530, -81.8224 |
What area code is Mountain City in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 423 | Tennessee | 1,424,610 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Elizabethton 423Bristol 423Bluff City 423Piney Flats 423Blountville 423Johnson City 423Jonesborough 423Kingsport 423
How to dial
Dial 423 + 7 digits for a number in Mountain City, or +1 423 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.