ZIP Code 37778

37778 is one of Tennessee's ZIP codes, delivering to addresses in Lowland, Hamblen County.

City: Lowland
County: Hamblen County
State: Tennessee
Prefix: 377xx

Where this code sits

37778 is part of the 377xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lowland.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37778 delivers to without sharing its boundary.

ZIP codes nearest 37778

The ZIP codes whose reference points sit closest to 37778.
ZIP code	Distance	Delivers to
ZIP code 37815	0.0 mi	Morristown, TN
ZIP code 37816	0.0 mi	Morristown, TN
ZIP code 37813	1.2 mi	Morristown, TN
ZIP code 37814	2.2 mi	Morristown, TN
ZIP code 37860	5.6 mi	Russellville, TN
ZIP code 37891	8.0 mi	Whitesburg, TN
ZIP code 37708	8.0 mi	Bean Station, TN
ZIP code 37877	8.5 mi	Talbott, 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 37778, plotted from its record coordinates.

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

Scope ZIP code 37778. 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.