ZIP Code 66544

66544 is one of Kansas's ZIP codes, delivering to addresses in Vermillion, Marshall County.

City: Vermillion
County: Marshall County
State: Kansas
Prefix: 665xx

Where this code sits

66544 is part of the 665xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Vermillion.

Vermillion Kansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66544 delivers to without sharing its boundary.

785 Area code 785

ZIP codes nearest 66544

The ZIP codes whose reference points sit closest to 66544.
ZIP code	Distance	Delivers to
ZIP code 66415	7.5 mi	Centralia, KS
ZIP code 66403	12 mi	Axtell, KS
ZIP code 66427	13 mi	Frankfort, KS
ZIP code 66417	14 mi	Corning, KS
ZIP code 66404	14 mi	Baileyville, KS
ZIP code 66521	15 mi	Onaga, KS
ZIP code 66438	16 mi	Home, KS
ZIP code 66406	16 mi	Beattie, 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 66544, plotted from its record coordinates.

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

Scope ZIP code 66544. 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.