Fincastle, Tennessee

No ZIP code carries the name of Fincastle, Tennessee, in Campbell County; the nearest ZIP code is 37766, in area code 423, with 729 as an overlay.

Nearest ZIP: 37766
Area codes: 423, 729
County: Campbell County
State: Tennessee
Coordinates: 36.4038, -84.0479

Nearest ZIP codes to Fincastle

This is the ZIP code nearest to Fincastle, each listed with the post office it is named after.

ZIP code	Post office	County	Area codes
37766	La Follette	Campbell County	423, 729

Area codes for Fincastle

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 Fincastle

La Follette4.5 km (2.8 mi)
Duff11.7 km (7.3 mi)
Jacksboro15.6 km (9.7 mi)
Eagan17.7 km (11 mi)
Caryville17.9 km (11 mi)
Newcomb19.4 km (12 mi)
Clairfield20.4 km (13 mi)
Jellico20.5 km (13 mi)

Local numbers in area code 423

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