ZIP Code 37138

37138 is one of Tennessee's ZIP codes, delivering to addresses in Old Hickory, Davidson County.

City: Old Hickory
County: Davidson County
State: Tennessee
Prefix: 371xx

Where this code sits

37138 is part of the 371xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Old Hickory.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37138 delivers to without sharing its boundary.

ZIP codes nearest 37138

The ZIP codes whose reference points sit closest to 37138.
ZIP code	Distance	Delivers to
ZIP code 37076	4.0 mi	Hermitage, TN
ZIP code 37077	4.4 mi	Hendersonville, TN
ZIP code 37075	4.4 mi	Hendersonville, TN
ZIP code 37115	5.3 mi	Madison, TN
ZIP code 37121	5.9 mi	Mount Juliet, TN
ZIP code 37214	6.1 mi	Nashville, TN
ZIP code 37216	6.7 mi	Nashville, TN
ZIP code 37122	7.1 mi	Mount Juliet, 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 37138, plotted from its record coordinates.

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

Scope ZIP code 37138. 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.