City · Tennessee · United States
Castalian Springs, TN — ZIP codes
1 ZIP code · Sumner County
- City
- Castalian Springs
- County
- Sumner
- State
- Tennessee
- Country
- United States
- Postal code
- 37031Single source
- Coordinates
- 36.3806, -86.3107 View on OpenStreetMap
- Area codes
- 615, 629 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 37031 | Castalian Springs | Single source |
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Last generated : 2026-08-21. Report an error.