ZIP Code 62837

62837 is one of Illinois's ZIP codes, delivering to addresses in Fairfield, Wayne County.

City: Fairfield
County: Wayne County
State: Illinois
Prefix: 628xx

Where this code sits

62837 is part of the 628xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fairfield.

Fairfield Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 62837 delivers to without sharing its boundary.

ZIP codes nearest 62837

The ZIP codes whose reference points sit closest to 62837.
ZIP code	Distance	Delivers to
ZIP code 62842	5.3 mi	Geff, IL
ZIP code 62809	6.5 mi	Barnhill, IL
ZIP code 62843	8.3 mi	Golden Gate, IL
ZIP code 62862	9.3 mi	Mill Shoals, IL
ZIP code 62886	9.3 mi	Sims, IL
ZIP code 62823	10 mi	Cisne, IL
ZIP code 62833	12 mi	Ellery, IL
ZIP code 62446	13 mi	Mount Erie, 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 62837, plotted from its record coordinates.

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

Scope ZIP code 62837. 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.