Fall Branch, Tennessee

ZIP codes in Fall Branch

Area codes for Fall Branch

• 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 Fall Branch

• Sullivan Gardens8.6 km (5.3 mi)
• Gray13.4 km (8.3 mi)
• Colonial Heights14.9 km (9.3 mi)
• Spurgeon15 km (9.3 mi)
• Kingsport15.3 km (9.5 mi)
• Church Hill16.4 km (10 mi)
• Mount Carmel16.5 km (10 mi)
• Limestone18 km (11 mi)