ZIP Code 38581

38581 is one of Tennessee's ZIP codes, delivering to addresses in Rock Island, Warren County.

City: Rock Island
County: Warren County
State: Tennessee
Prefix: 385xx

Where this code sits

38581 is part of the 385xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Rock Island.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 38581 delivers to without sharing its boundary.

931 Area code 931

ZIP codes nearest 38581

The ZIP codes whose reference points sit closest to 38581.
ZIP code	Distance	Delivers to
ZIP code 38550	3.4 mi	Campaign, TN
ZIP code 37110	7.7 mi	Mcminnville, TN
ZIP code 37111	7.7 mi	Mcminnville, TN
ZIP code 38587	7.9 mi	Walling, TN
ZIP code 38579	8.4 mi	Quebeck, TN
ZIP code 38559	10 mi	Doyle, TN
ZIP code 37378	12 mi	Smartt, TN
ZIP code 37166	13 mi	Smithville, 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 38581, plotted from its record coordinates.

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

Scope ZIP code 38581. 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.