ZIP Code 37777

37777 is one of Tennessee's ZIP codes, delivering to addresses in Louisville, Blount County.

City: Louisville
County: Blount County
State: Tennessee
Prefix: 377xx

Where this code sits

37777 is part of the 377xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Louisville.

Louisville Tennessee ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37777 delivers to without sharing its boundary.

865 Area code 865

ZIP codes nearest 37777

The ZIP codes whose reference points sit closest to 37777.
ZIP code	Distance	Delivers to
ZIP code 37853	3.8 mi	Rockford, TN
ZIP code 37701	3.9 mi	Alcoa, TN
ZIP code 37930	5.5 mi	Knoxville, TN
ZIP code 37920	5.5 mi	Knoxville, TN
ZIP code 37802	6.0 mi	Maryville, TN
ZIP code 37919	6.0 mi	Knoxville, TN
ZIP code 37922	6.3 mi	Knoxville, TN
ZIP code 37804	7.4 mi	Maryville, TN

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 37777, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 37777. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.