Kansas ZIP Codes

ZIP codes: 748
Cities & towns: 632
Counties: 105
Area codes: 4

How Kansas ZIP codes are numbered

660xx–679xx

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

Kansas three-digit ZIP prefixes, the codes in each, and the city that holds the most of them.
Prefix	ZIP codes	Main area
660xx	71	Lawrence
661xx	16	Kansas City
662xx	34	Overland Park
664xx	37	Alma
665xx	44	Manhattan
666xx	31	Topeka
667xx	53	Altoona
668xx	36	Admire
669xx	34	Agenda
670xx	58	Andale
671xx	42	Maize
672xx	33	Wichita
673xx	27	Altamont
674xx	58	Salina
675xx	55	Hutchinson
676xx	45	Agra
677xx	28	Atwood
678xx	39	Ashland
679xx	7	Liberal

Where Kansas's communities sit

Each point is a Kansas 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

Kansas cities by ZIP code count

largest 25

Area codes serving Kansas

Scope every ZIP code recorded in Kansas. 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.