ZIP Code 66419

66419 is one of Kansas's ZIP codes, delivering to addresses in Denison, Jackson County.

City: Denison
County: Jackson County
State: Kansas
Prefix: 664xx

Where this code sits

66419 is part of the 664xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Denison.

Denison Kansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66419 delivers to without sharing its boundary.

785 Area code 785

ZIP codes nearest 66419

The ZIP codes whose reference points sit closest to 66419.
ZIP code	Distance	Delivers to
ZIP code 66509	4.3 mi	Mayetta, KS
ZIP code 66088	7.8 mi	Valley Falls, KS
ZIP code 66440	7.9 mi	Hoyt, KS
ZIP code 66436	9.7 mi	Holton, KS
ZIP code 66512	11 mi	Meriden, KS
ZIP code 66070	13 mi	Ozawkie, KS
ZIP code 66058	14 mi	Muscotah, KS
ZIP code 66617	16 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 66419, plotted from its record coordinates.

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

Scope ZIP code 66419. 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.