ZIP Code 62840

62840 is one of Illinois's ZIP codes, delivering to addresses in Frankfort Heights, Franklin County.

City: Frankfort Heights
County: Franklin County
State: Illinois
Prefix: 628xx

Where this code sits

62840 is part of the 628xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Frankfort Heights.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 62840 delivers to without sharing its boundary.

ZIP codes nearest 62840

The ZIP codes whose reference points sit closest to 62840.
ZIP code	Distance	Delivers to
ZIP code 62812	1.1 mi	Benton, IL
ZIP code 62819	4.5 mi	Buckner, IL
ZIP code 62891	5.4 mi	Valier, IL
ZIP code 62874	5.6 mi	Orient, IL
ZIP code 62856	6.1 mi	Logan, IL
ZIP code 62822	6.3 mi	Christopher, IL
ZIP code 62896	6.7 mi	West Frankfort, IL
ZIP code 62897	6.8 mi	Whittington, 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 62840, plotted from its record coordinates.

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

Scope ZIP code 62840. 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.