ZIP Code 66021

66021 is one of Kansas's ZIP codes, delivering to addresses in Edgerton, Johnson County.

City: Edgerton
County: Johnson County
State: Kansas
Prefix: 660xx

Where this code sits

66021 is part of the 660xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Edgerton.

Edgerton Kansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66021 delivers to without sharing its boundary.

913 Area code 913

ZIP codes nearest 66021

The ZIP codes whose reference points sit closest to 66021.
ZIP code	Distance	Delivers to
ZIP code 66030	5.4 mi	Gardner, KS
ZIP code 66092	6.4 mi	Wellsville, KS
ZIP code 66031	6.7 mi	New Century, KS
ZIP code 66083	10 mi	Spring Hill, KS
ZIP code 66018	12 mi	De Soto, KS
ZIP code 66025	12 mi	Eudora, KS
ZIP code 66006	12 mi	Baldwin City, KS
ZIP code 66036	12 mi	Hillsdale, 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 66021, plotted from its record coordinates.

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

Scope ZIP code 66021. 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.