ZIP Code 62638

62638 is one of Illinois's ZIP codes, delivering to addresses in Franklin, Morgan County.

City: Franklin
County: Morgan County
State: Illinois
Prefix: 626xx

Where this code sits

62638 is part of the 626xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Franklin.

Franklin Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 62638 delivers to without sharing its boundary.

ZIP codes nearest 62638

The ZIP codes whose reference points sit closest to 62638.
ZIP code	Distance	Delivers to
ZIP code 62695	6.9 mi	Woodson, IL
ZIP code 62692	8.0 mi	Waverly, IL
ZIP code 62668	8.6 mi	Murrayville, IL
ZIP code 62601	9.2 mi	Alexander, IL
ZIP code 62683	9.8 mi	Scottville, IL
ZIP code 62651	11 mi	Jacksonville, IL
ZIP code 62650	11 mi	Jacksonville, IL
ZIP code 62667	12 mi	Modesto, 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 62638, plotted from its record coordinates.

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

Scope ZIP code 62638. 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.