ZIP Code 66748

66748 is one of Kansas's ZIP codes, delivering to addresses in Humboldt, Allen County.

City: Humboldt
County: Allen County
State: Kansas
Prefix: 667xx

Where this code sits

66748 is part of the 667xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Humboldt.

Humboldt Kansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66748 delivers to without sharing its boundary.

620 Area code 620

ZIP codes nearest 66748

The ZIP codes whose reference points sit closest to 66748.
ZIP code	Distance	Delivers to
ZIP code 66749	8.4 mi	Iola, KS
ZIP code 66720	9.2 mi	Chanute, KS
ZIP code 66742	9.2 mi	Gas, KS
ZIP code 66761	10 mi	Piqua, KS
ZIP code 66751	10 mi	La Harpe, KS
ZIP code 66758	13 mi	Neosho Falls, KS
ZIP code 66732	15 mi	Elsmore, KS
ZIP code 66772	15 mi	Savonburg, 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 66748, plotted from its record coordinates.

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

Scope ZIP code 66748. 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.