ZIP Code 37377

37377 is one of Tennessee's ZIP codes, delivering to addresses in Signal Mountain, Hamilton County.

City: Signal Mountain
County: Hamilton County
State: Tennessee
Prefix: 373xx

Where this code sits

37377 is part of the 373xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Signal Mountain.

Signal Mountain Tennessee ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37377 delivers to without sharing its boundary.

ZIP codes nearest 37377

The ZIP codes whose reference points sit closest to 37377.
ZIP code	Distance	Delivers to
ZIP code 37415	3.5 mi	Chattanooga, TN
ZIP code 37351	5.2 mi	Lupton City, TN
ZIP code 37405	5.3 mi	Chattanooga, TN
ZIP code 37343	6.7 mi	Hixson, TN
ZIP code 37402	7.2 mi	Chattanooga, TN
ZIP code 37401	7.3 mi	Chattanooga, TN
ZIP code 37414	7.3 mi	Chattanooga, TN
ZIP code 37422	7.3 mi	Chattanooga, 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 37377, plotted from its record coordinates.

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

Scope ZIP code 37377. 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.