Johnson, Tennessee

No ZIP code carries the name of Johnson, Tennessee, in Washington County; the nearest ZIP codes are 37601, 37604 and 37614, in area code 423, with 729 as an overlay.

Nearest ZIP: 37601, 37604, 37614
Area codes: 423, 729
County: Washington County
State: Tennessee
Coordinates: 36.3423, -82.3809

Nearest ZIP codes to Johnson

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

ZIP code	Post office	County	Area codes
37601	Johnson City	Washington County	423, 729
37604	Johnson City	Washington County	423, 729
37614	Johnson City	Washington County	423, 729

Area codes for Johnson

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 Johnson

Mountain Home3.6 km (2.2 mi)
Johnson City7 km (4.3 mi)
Central7.6 km (4.7 mi)
Pine Crest8.5 km (5.3 mi)
Milligan College8.5 km (5.3 mi)
Watauga10.6 km (6.6 mi)
Jonesborough11.1 km (6.9 mi)
Piney Flats11.5 km (7.1 mi)

Local numbers in area code 423

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