ZIP Code 61270

61270 is one of Illinois's ZIP codes, delivering to addresses in Morrison, Whiteside County.

City: Morrison
County: Whiteside County
State: Illinois
Prefix: 612xx

Where this code sits

61270 is part of the 612xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Morrison.

Morrison Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61270 delivers to without sharing its boundary.

ZIP codes nearest 61270

The ZIP codes whose reference points sit closest to 61270.
ZIP code	Distance	Delivers to
ZIP code 61261	7.2 mi	Lyndon, IL
ZIP code 61251	7.3 mi	Fenton, IL
ZIP code 61252	9.7 mi	Fulton, IL
ZIP code 61037	11 mi	Galt, IL
ZIP code 52734	12 mi	Clinton, IA
ZIP code 52733	12 mi	Clinton, IA
ZIP code 52736	12 mi	Clinton, IA
ZIP code 52732	13 mi	Clinton, IA

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 61270, plotted from its record coordinates.

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

Scope ZIP code 61270. 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.