ZIP Code 61951

61951 is one of Illinois's ZIP codes, delivering to addresses in Sullivan, Moultrie County.

City: Sullivan
County: Moultrie County
State: Illinois
Prefix: 619xx

Where this code sits

61951 is part of the 619xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sullivan.

Sullivan Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61951 delivers to without sharing its boundary.

ZIP codes nearest 61951

The ZIP codes whose reference points sit closest to 61951.
ZIP code	Distance	Delivers to
ZIP code 61914	8.5 mi	Bethany, IL
ZIP code 61937	8.9 mi	Lovington, IL
ZIP code 61928	8.9 mi	Gays, IL
ZIP code 62534	9.2 mi	Findlay, IL
ZIP code 61911	11 mi	Arthur, IL
ZIP code 61957	11 mi	Windsor, IL
ZIP code 61925	13 mi	Dalton City, IL
ZIP code 61929	14 mi	Hammond, 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 61951, plotted from its record coordinates.

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

Scope ZIP code 61951. 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.