ZIP Code 66860

66860 is one of Kansas's ZIP codes, delivering to addresses in Madison, Greenwood County.

City: Madison
County: Greenwood County
State: Kansas
Prefix: 668xx

Where this code sits

66860 is part of the 668xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Madison.

Madison Kansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66860 delivers to without sharing its boundary.

620 Area code 620

ZIP codes nearest 66860

The ZIP codes whose reference points sit closest to 66860.
ZIP code	Distance	Delivers to
ZIP code 66855	5.2 mi	Lamont, KS
ZIP code 66865	9.7 mi	Olpe, KS
ZIP code 66853	11 mi	Hamilton, KS
ZIP code 66854	13 mi	Hartford, KS
ZIP code 66852	13 mi	Gridley, KS
ZIP code 66870	17 mi	Virgil, KS
ZIP code 66864	19 mi	Neosho Rapids, KS
ZIP code 66801	20 mi	Emporia, 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 66860, plotted from its record coordinates.

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

Scope ZIP code 66860. 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.