ZIP Code 66429

66429 is one of Kansas's ZIP codes, delivering to addresses in Grantville, Jefferson County.

City: Grantville
County: Jefferson County
State: Kansas
Prefix: 664xx

Where this code sits

66429 is part of the 664xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Grantville.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66429 delivers to without sharing its boundary.

785 Area code 785

ZIP codes nearest 66429

The ZIP codes whose reference points sit closest to 66429.
ZIP code	Distance	Delivers to
ZIP code 66542	5.2 mi	Tecumseh, KS
ZIP code 66617	5.7 mi	Topeka, KS
ZIP code 66616	5.9 mi	Topeka, KS
ZIP code 66607	6.8 mi	Topeka, KS
ZIP code 66512	7.4 mi	Meriden, KS
ZIP code 66050	7.8 mi	Lecompton, KS
ZIP code 66608	7.9 mi	Topeka, KS
ZIP code 66605	8.0 mi	Topeka, 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 66429, plotted from its record coordinates.

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

Scope ZIP code 66429. 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.