ZIP Code 62903

62903 is one of Illinois's ZIP codes, delivering to addresses in Carbondale, Jackson County.

City: Carbondale
County: Jackson County
State: Illinois
Prefix: 629xx

Where this code sits

62903 is part of the 629xx range, the group of codes handled by one mail processing centre. Carbondale is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Carbondale page.

Carbondale Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 62903 delivers to without sharing its boundary.

ZIP codes nearest 62903

The ZIP codes whose reference points sit closest to 62903.
ZIP code	Distance	Delivers to
ZIP code 62901	4.8 mi	Carbondale, IL
ZIP code 62975	5.2 mi	Pomona, IL
ZIP code 62958	5.2 mi	Makanda, IL
ZIP code 62966	7.2 mi	Murphysboro, IL
ZIP code 62905	7.4 mi	Alto Pass, IL
ZIP code 62902	8.8 mi	Carbondale, IL
ZIP code 62920	9.0 mi	Cobden, IL
ZIP code 62940	10 mi	Gorham, 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 62903, plotted from its record coordinates.

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

Scope ZIP code 62903. 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.