ZIP Code 61570

61570 is one of Illinois's ZIP codes, delivering to addresses in Washburn, Marshall County.

City: Washburn
County: Marshall County
State: Illinois
Prefix: 615xx

Where this code sits

61570 is part of the 615xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Washburn.

Washburn Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61570 delivers to without sharing its boundary.

ZIP codes nearest 61570

The ZIP codes whose reference points sit closest to 61570.
ZIP code	Distance	Delivers to
ZIP code 61545	5.2 mi	Lowpoint, IL
ZIP code 61541	5.3 mi	La Rose, IL
ZIP code 61375	8.4 mi	Varna, IL
ZIP code 61561	9.0 mi	Roanoke, IL
ZIP code 61540	9.6 mi	Lacon, IL
ZIP code 61369	9.9 mi	Toluca, IL
ZIP code 61516	10 mi	Benson, IL
ZIP code 61565	11 mi	Sparland, 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 61570, plotted from its record coordinates.

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

Scope ZIP code 61570. 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.