ZIP Code 42020

42020 is one of Kentucky's ZIP codes, delivering to addresses in Almo, Calloway County.

City: Almo
County: Calloway County
State: Kentucky
Prefix: 420xx

Where this code sits

42020 is part of the 420xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Almo.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42020 delivers to without sharing its boundary.

ZIP codes nearest 42020

The ZIP codes whose reference points sit closest to 42020.
ZIP code	Distance	Delivers to
ZIP code 42036	3.5 mi	Dexter, KY
ZIP code 42071	5.7 mi	Murray, KY
ZIP code 42048	6.0 mi	Hardin, KY
ZIP code 42054	7.4 mi	Kirksey, KY
ZIP code 42049	11 mi	Hazel, KY
ZIP code 42025	14 mi	Benton, KY
ZIP code 42040	14 mi	Farmington, KY
ZIP code 42076	15 mi	New Concord, KY

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 42020, plotted from its record coordinates.

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

Scope ZIP code 42020. 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.