ZIP Code 38642

38642 is one of Mississippi's ZIP codes, delivering to addresses in Lamar, Marshall County.

City: Lamar
County: Marshall County
State: Mississippi
Prefix: 386xx

Where this code sits

38642 is part of the 386xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lamar.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 38642 delivers to without sharing its boundary.

ZIP codes nearest 38642

The ZIP codes whose reference points sit closest to 38642.
ZIP code	Distance	Delivers to
ZIP code 38647	5.6 mi	Michigan City, MS
ZIP code 38046	9.1 mi	La Grange, TN
ZIP code 38057	9.4 mi	Moscow, TN
ZIP code 38039	11 mi	Grand Junction, TN
ZIP code 38603	12 mi	Ashland, MS
ZIP code 38649	12 mi	Mount Pleasant, MS
ZIP code 38634	13 mi	Holly Springs, MS
ZIP code 38661	14 mi	Red Banks, MS

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 38642, plotted from its record coordinates.

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

Scope ZIP code 38642. 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.