ZIP Code 37657 – Flag Pond, TN
Flag Pond, Tennessee · Unicoi County · Eastern time
| ZIP code | 37657 |
|---|---|
| City | Flag Pond |
| State | Tennessee |
| County | Unicoi County |
| Population | 1,060 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 36.73 sq mi |
| Center (lat, long) | 36.0172, -82.5605 |
Area codes in this area
These are the area codes that most often serve ZIP 37657 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 37657
ZIP code 37657 is assigned to Flag Pond, Tennessee. It lies in Unicoi County. Its Census area covers about 36.73 square miles of land. The closest neighboring ZIP is 37650 (Erwin), about 7.1 miles away.
Every address in 37657 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources