ZIP Code 62021

62021 is one of Illinois's ZIP codes, delivering to addresses in Dorsey, Madison County.

City: Dorsey
County: Madison County
State: Illinois
Prefix: 620xx

Where this code sits

62021 is part of the 620xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Dorsey.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 62021 delivers to without sharing its boundary.

ZIP codes nearest 62021

The ZIP codes whose reference points sit closest to 62021.
ZIP code	Distance	Delivers to
ZIP code 62067	3.7 mi	Moro, IL
ZIP code 62014	4.1 mi	Bunker Hill, IL
ZIP code 62010	6.0 mi	Bethalto, IL
ZIP code 62097	7.2 mi	Worden, IL
ZIP code 62018	7.4 mi	Cottage Hills, IL
ZIP code 62093	8.9 mi	Wilsonville, IL
ZIP code 62024	9.1 mi	East Alton, IL
ZIP code 62046	9.6 mi	Hamel, 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 62021, plotted from its record coordinates.

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

Scope ZIP code 62021. 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.