ZIP Code 62401

62401 is one of Illinois's ZIP codes, delivering to addresses in Effingham, Effingham County.

City: Effingham
County: Effingham County
State: Illinois
Prefix: 624xx

Where this code sits

62401 is part of the 624xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Effingham.

Effingham Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 62401 delivers to without sharing its boundary.

ZIP codes nearest 62401

The ZIP codes whose reference points sit closest to 62401.
ZIP code	Distance	Delivers to
ZIP code 62467	4.6 mi	Teutopolis, IL
ZIP code 62461	6.3 mi	Shumway, IL
ZIP code 62462	7.9 mi	Sigel, IL
ZIP code 62473	9.1 mi	Watson, IL
ZIP code 62424	10 mi	Dieterich, IL
ZIP code 62411	11 mi	Altamont, IL
ZIP code 62463	11 mi	Stewardson, IL
ZIP code 62443	11 mi	Mason, IL

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 62401, plotted from its record coordinates.

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

Scope ZIP code 62401. 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.