ZIP Code 66431

66431 is one of Kansas's ZIP codes, delivering to addresses in Harveyville, Wabaunsee County.

City: Harveyville
County: Wabaunsee County
State: Kansas
Prefix: 664xx

Where this code sits

66431 is part of the 664xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Harveyville.

Harveyville Kansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66431 delivers to without sharing its boundary.

785 Area code 785

ZIP codes nearest 66431

The ZIP codes whose reference points sit closest to 66431.
ZIP code	Distance	Delivers to
ZIP code 66413	6.8 mi	Burlingame, KS
ZIP code 66423	8.6 mi	Eskridge, KS
ZIP code 66537	12 mi	Scranton, KS
ZIP code 66402	12 mi	Auburn, KS
ZIP code 66420	12 mi	Dover, KS
ZIP code 66830	13 mi	Admire, KS
ZIP code 66523	13 mi	Osage City, KS
ZIP code 66833	15 mi	Allen, KS

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 66431, plotted from its record coordinates.

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

Scope ZIP code 66431. 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.