Mississippi ZIP Codes

ZIP codes: 531
Cities & towns: 438
Counties: 82
Area codes: 5

How Mississippi ZIP codes are numbered

386xx–397xx

The first three digits identify the sectional center facility that processes mail for a region, so a Mississippi ZIP code can be placed geographically from its prefix alone. Each row names the city holding the most codes in that prefix.

Mississippi three-digit ZIP prefixes, the codes in each, and the city that holds the most of them.
Prefix	ZIP codes	Main area
386xx	64	Holly Springs
387xx	46	Greenville
388xx	50	Tupelo
389xx	45	Greenwood
390xx	43	Brandon
391xx	57	Vicksburg
392xx	32	Jackson
393xx	43	Meridian
394xx	45	Hattiesburg
395xx	41	Biloxi
396xx	30	Brookhaven
397xx	35	Columbus

Where Mississippi's communities sit

Each point is a Mississippi community with a published ZIP code list, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

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

Mississippi cities by ZIP code count

largest 25

Area codes serving Mississippi

Scope every ZIP code recorded in Mississippi. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. The map outline is a convex envelope of published places, not a state boundary.