ZIP Code 37151

37151 is one of Tennessee's ZIP codes, delivering to addresses in Riddleton, Smith County.

City: Riddleton
County: Smith County
State: Tennessee
Prefix: 371xx

Where this code sits

37151 is part of the 371xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Riddleton.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37151 delivers to without sharing its boundary.

ZIP codes nearest 37151

The ZIP codes whose reference points sit closest to 37151.
ZIP code	Distance	Delivers to
ZIP code 37145	6.4 mi	Pleasant Shade, TN
ZIP code 37057	6.6 mi	Dixon Springs, TN
ZIP code 37030	6.9 mi	Carthage, TN
ZIP code 37074	8.2 mi	Hartsville, TN
ZIP code 38563	12 mi	Gordonsville, TN
ZIP code 38560	12 mi	Elmwood, TN
ZIP code 37083	13 mi	Lafayette, TN
ZIP code 37150	15 mi	Red Boiling Springs, 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 37151, plotted from its record coordinates.

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

Scope ZIP code 37151. 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.