Sullivan Gardens, Tennessee

Nearest ZIP codes to Sullivan Gardens

These are the ZIP codes nearest to Sullivan Gardens, each listed with the post office it is named after.

Area codes for Sullivan Gardens

• 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 Sullivan Gardens

• Kingsport6.9 km (4.3 mi)
• Fall Branch8.6 km (5.3 mi)
• Colonial Heights9 km (5.6 mi)
• Mount Carmel10 km (6.2 mi)
• Spurgeon12.6 km (7.8 mi)
• Gray12.6 km (7.8 mi)
• Bloomingdale12.9 km (8.0 mi)
• Church Hill13.3 km (8.3 mi)