ZIP Code 62866

62866 is one of Illinois's ZIP codes, delivering to addresses in Nason, Jefferson County.

City: Nason
County: Jefferson County
State: Illinois
Prefix: 628xx

Where this code sits

62866 is part of the 628xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Nason.

Nason Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 62866 delivers to without sharing its boundary.

ZIP codes nearest 62866

The ZIP codes whose reference points sit closest to 62866.
ZIP code	Distance	Delivers to
ZIP code 62816	3.3 mi	Bonnie, IL
ZIP code 62846	4.3 mi	Ina, IL
ZIP code 62894	4.9 mi	Waltonville, IL
ZIP code 62897	6.5 mi	Whittington, IL
ZIP code 62883	6.8 mi	Scheller, IL
ZIP code 62884	7.2 mi	Sesser, IL
ZIP code 62836	9.2 mi	Ewing, IL
ZIP code 62891	11 mi	Valier, 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 62866, plotted from its record coordinates.

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

Scope ZIP code 62866. 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.