ZIP Code 62864

62864 is one of Illinois's ZIP codes, delivering to addresses in Mount Vernon, Jefferson County.

City: Mount Vernon
County: Jefferson County
State: Illinois
Prefix: 628xx

Where this code sits

62864 is part of the 628xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mount Vernon.

Mount Vernon Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 62864 delivers to without sharing its boundary.

ZIP codes nearest 62864

The ZIP codes whose reference points sit closest to 62864.
ZIP code	Distance	Delivers to
ZIP code 62889	7.8 mi	Texico, IL
ZIP code 62872	7.9 mi	Opdyke, IL
ZIP code 62816	8.2 mi	Bonnie, IL
ZIP code 62830	8.6 mi	Dix, IL
ZIP code 62814	8.6 mi	Bluford, IL
ZIP code 62898	10 mi	Woodlawn, IL
ZIP code 62894	10 mi	Waltonville, IL
ZIP code 62866	11 mi	Nason, 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 62864, plotted from its record coordinates.

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

Scope ZIP code 62864. 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.