ZIP Code 62221

62221 is one of Illinois's ZIP codes, delivering to addresses in Belleville, St. Clair County.

City: Belleville
County: St. Clair County
State: Illinois
Prefix: 622xx

Where this code sits

62221 is part of the 622xx range, the group of codes handled by one mail processing centre. Belleville is served by 5 ZIP codes in total; the full list, with the county each falls in, is on the Belleville page.

Belleville Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 62221 delivers to without sharing its boundary.

ZIP codes nearest 62221

The ZIP codes whose reference points sit closest to 62221.
ZIP code	Distance	Delivers to
ZIP code 62226	2.3 mi	Belleville, IL
ZIP code 62220	2.3 mi	Belleville, IL
ZIP code 62269	4.0 mi	O Fallon, IL
ZIP code 62223	4.3 mi	Belleville, IL
ZIP code 62208	4.7 mi	Fairview Heights, IL
ZIP code 62225	5.4 mi	Scott Air Force Base, IL
ZIP code 62059	7.0 mi	Lovejoy, IL
ZIP code 62222	7.0 mi	Belleville, 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 62221, plotted from its record coordinates.

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

Scope ZIP code 62221. 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.