Charleston, Tennessee
Charleston, Tennessee, in Bradley County, has ZIP code 37310 and area code 423, with 729 as an overlay.
- ZIP code
- 37310
- Area codes
- 423, 729
- County
- Bradley County
- State
- Tennessee
- Coordinates
- 35.2556, -84.7666
ZIP codes in Charleston
Area codes for Charleston
- Area code 423
In service since September 11, 1995. Shares its area with 729. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
- Area code 729
In service since September 5, 2025. Shares its area with 423. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.
Towns near Charleston
- Calhoun8 km (5.0 mi)
- Cleveland13.3 km (8.3 mi)
- Hopewell13.5 km (8.4 mi)
- Benton13.7 km (8.5 mi)
- Georgetown13.9 km (8.6 mi)
- East Cleveland13.9 km (8.6 mi)
- Riceville14.6 km (9.1 mi)
- Delano14.9 km (9.3 mi)
Local numbers in area code 423
Looking for a phone number with a Charleston area code? These 423 numbers are for sale through Exclusive Digits. Portable to Verizon, AT&T, T-Mobile and all major US carriers.
- (423) 759-0888Morristown, TN$69View & buy
- (423) 806-8008Kingsport, TN$69View & buy
- (423) 810-9888Charleston, TN$69View & buy
- (423) 830-6777Kingsport, TN$69View & buy
- (423) 841-0777Mountain City, TN$69View & buy
- (423) 866-0777Niota, TN$69View & buy
- (423) 897-7007Fall Branch, TN$69View & buy
- (423) 897-8008Fall Branch, TN$69View & buy
- (423) 910-4888Ooltewah, TN$69View & buy
- (423) 960-2002Chattanooga, TN$69View & buy
- (423) 678-0077Roan Mountain, TN$79View & buy
- (423) 777-6781Chattanooga, TN$79View & buy
We may earn a commission when you buy through our links. Numbers are sold and delivered by Exclusive Digits.