ZIP Code 62421

62421 is one of Illinois's ZIP codes, delivering to addresses in Claremont, Richland County.

City: Claremont
County: Richland County
State: Illinois
Prefix: 624xx

Where this code sits

62421 is part of the 624xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Claremont.

Claremont Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 62421 delivers to without sharing its boundary.

ZIP codes nearest 62421

The ZIP codes whose reference points sit closest to 62421.
ZIP code	Distance	Delivers to
ZIP code 62450	5.9 mi	Olney, IL
ZIP code 62466	6.1 mi	Sumner, IL
ZIP code 62419	7.6 mi	Calhoun, IL
ZIP code 62425	9.0 mi	Dundas, IL
ZIP code 62417	11 mi	Bridgeport, IL
ZIP code 62452	12 mi	Parkersburg, IL
ZIP code 62475	13 mi	West Liberty, IL
ZIP code 62459	13 mi	Sainte Marie, 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 62421, plotted from its record coordinates.

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

Scope ZIP code 62421. 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.