ZIP Code 66439

66439 is one of Kansas's ZIP codes, delivering to addresses in Horton, Brown County.

City: Horton
County: Brown County
State: Kansas
Prefix: 664xx

Where this code sits

66439 is part of the 664xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Horton.

Horton Kansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66439 delivers to without sharing its boundary.

785 Area code 785

ZIP codes nearest 66439

The ZIP codes whose reference points sit closest to 66439.
ZIP code	Distance	Delivers to
ZIP code 66424	6.2 mi	Everest, KS
ZIP code 66552	7.3 mi	Whiting, KS
ZIP code 66527	8.2 mi	Powhattan, KS
ZIP code 66434	8.6 mi	Hiawatha, KS
ZIP code 66058	9.7 mi	Muscotah, KS
ZIP code 66532	10 mi	Robinson, KS
ZIP code 66516	12 mi	Netawaka, KS
ZIP code 66023	13 mi	Effingham, 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 66439, plotted from its record coordinates.

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

Scope ZIP code 66439. 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.