ZIP Code 66040

66040 is one of Kansas's ZIP codes, delivering to addresses in Lacygne, Linn County.

City: Lacygne
County: Linn County
State: Kansas
Prefix: 660xx

Where this code sits

66040 is part of the 660xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lacygne.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66040 delivers to without sharing its boundary.

913 Area code 913

ZIP codes nearest 66040

The ZIP codes whose reference points sit closest to 66040.
ZIP code	Distance	Delivers to
ZIP code 66044	3.2 mi	Lawrence, KS
ZIP code 66086	4.6 mi	Tonganoxie, KS
ZIP code 66052	6.9 mi	Linwood, KS
ZIP code 66045	8.0 mi	Lawrence, KS
ZIP code 66025	8.4 mi	Eudora, KS
ZIP code 66049	8.5 mi	Lawrence, KS
ZIP code 66054	8.9 mi	Mc Louth, KS
ZIP code 66046	9.0 mi	Lawrence, 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 66040, plotted from its record coordinates.

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

Scope ZIP code 66040. 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.