ZIP Code 66404

66404 is one of Kansas's ZIP codes, delivering to addresses in Baileyville, Nemaha County.

City: Baileyville
County: Nemaha County
State: Kansas
Prefix: 664xx

Where this code sits

66404 is part of the 664xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Baileyville.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66404 delivers to without sharing its boundary.

785 Area code 785

ZIP codes nearest 66404

The ZIP codes whose reference points sit closest to 66404.
ZIP code	Distance	Delivers to
ZIP code 66403	4.7 mi	Axtell, KS
ZIP code 66538	8.2 mi	Seneca, KS
ZIP code 66415	10 mi	Centralia, KS
ZIP code 66541	10 mi	Summerfield, KS
ZIP code 68345	13 mi	Du Bois, NE
ZIP code 66408	13 mi	Bern, KS
ZIP code 66522	13 mi	Oneida, KS
ZIP code 66406	13 mi	Beattie, 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 66404, plotted from its record coordinates.

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

Scope ZIP code 66404. 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.