ZIP Code 66742

66742 is one of Kansas's ZIP codes, delivering to addresses in Gas, Allen County.

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

Where this code sits

66742 is part of the 667xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Gas.

Gas Kansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66742 delivers to without sharing its boundary.

620 Area code 620

ZIP codes nearest 66742

The ZIP codes whose reference points sit closest to 66742.
ZIP code	Distance	Delivers to
ZIP code 66751	2.6 mi	La Harpe, KS
ZIP code 66749	2.9 mi	Iola, KS
ZIP code 66748	9.2 mi	Humboldt, KS
ZIP code 66755	9.9 mi	Moran, KS
ZIP code 66761	10 mi	Piqua, KS
ZIP code 66015	11 mi	Colony, KS
ZIP code 66758	12 mi	Neosho Falls, KS
ZIP code 66732	13 mi	Elsmore, 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 66742, plotted from its record coordinates.

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

Scope ZIP code 66742. 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.