ZIP Code 37770

37770 is one of Tennessee's ZIP codes, delivering to addresses in Lancing, Morgan County.

City: Lancing
County: Morgan County
State: Tennessee
Prefix: 377xx

Where this code sits

37770 is part of the 377xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lancing.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37770 delivers to without sharing its boundary.

ZIP codes nearest 37770

The ZIP codes whose reference points sit closest to 37770.
ZIP code	Distance	Delivers to
ZIP code 37726	7.7 mi	Deer Lodge, TN
ZIP code 37872	8.1 mi	Sunbright, TN
ZIP code 37887	8.8 mi	Wartburg, TN
ZIP code 37829	12 mi	Oakdale, TN
ZIP code 38558	13 mi	Crossville, TN
ZIP code 37732	14 mi	Elgin, TN
ZIP code 37733	14 mi	Rugby, TN
ZIP code 37723	15 mi	Crab Orchard, 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 37770, plotted from its record coordinates.

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

Scope ZIP code 37770. 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.