ZIP Code 64637

64637 is one of Missouri's ZIP codes, delivering to addresses in Cowgill, Caldwell County.

City: Cowgill
County: Caldwell County
State: Missouri
Prefix: 646xx

Where this code sits

64637 is part of the 646xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cowgill.

Cowgill Missouri ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 64637 delivers to without sharing its boundary.

660 Area code 660

ZIP codes nearest 64637

The ZIP codes whose reference points sit closest to 64637.
ZIP code	Distance	Delivers to
ZIP code 64671	7.7 mi	Polo, MO
ZIP code 64624	7.7 mi	Braymer, MO
ZIP code 64650	10 mi	Kingston, MO
ZIP code 64644	12 mi	Hamilton, MO
ZIP code 64680	13 mi	Stet, MO
ZIP code 64084	13 mi	Rayville, MO
ZIP code 64656	14 mi	Ludlow, MO
ZIP code 64625	15 mi	Breckenridge, MO

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 64637, plotted from its record coordinates.

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

Scope ZIP code 64637. 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.