ZIP Code 61037

61037 is one of Illinois's ZIP codes, delivering to addresses in Galt, Whiteside County.

City: Galt
County: Whiteside County
State: Illinois
Prefix: 610xx

Where this code sits

61037 is part of the 610xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Galt.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61037 delivers to without sharing its boundary.

ZIP codes nearest 61037

The ZIP codes whose reference points sit closest to 61037.
ZIP code	Distance	Delivers to
ZIP code 61081	3.2 mi	Sterling, IL
ZIP code 61071	3.8 mi	Rock Falls, IL
ZIP code 61261	9.3 mi	Lyndon, IL
ZIP code 61283	9.4 mi	Tampico, IL
ZIP code 61270	11 mi	Morrison, IL
ZIP code 61243	11 mi	Deer Grove, IL
ZIP code 61042	12 mi	Harmon, IL
ZIP code 61051	13 mi	Milledgeville, 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 61037, plotted from its record coordinates.

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

Scope ZIP code 61037. 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.