Fairmount, Tennessee

No ZIP code carries the name of Fairmount, Tennessee, in Hamilton County; the nearest ZIP codes are 37377 and 37405, in area code 423, with 729 as an overlay.

Nearest ZIP: 37377, 37405
Area codes: 423, 729
Counties: Hamilton County, Marion County
State: Tennessee
Coordinates: 35.1865, -85.3302

Nearest ZIP codes to Fairmount

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

ZIP code	Post office	County	Area codes
37377	Signal Mountain	Hamilton County	423, 729
37405	Chattanooga	Marion County	423, 729

Area codes for Fairmount

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 Fairmount

Walden3.2 km (2.0 mi)
Lone Oak3.8 km (2.4 mi)
Signal Mountain4.2 km (2.6 mi)
Falling Water6.5 km (4.0 mi)
Red Bank8.9 km (5.5 mi)
Hixson10.6 km (6.6 mi)
Lupton City11 km (6.8 mi)
Middle Valley12.1 km (7.5 mi)

Local numbers in area code 423

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