ZIP Code 61550

61550 is one of Illinois's ZIP codes, delivering to addresses in Morton, Tazewell County.

City: Morton
County: Tazewell County
State: Illinois
Prefix: 615xx

Where this code sits

61550 is part of the 615xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Morton.

Morton Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61550 delivers to without sharing its boundary.

ZIP codes nearest 61550

The ZIP codes whose reference points sit closest to 61550.
ZIP code	Distance	Delivers to
ZIP code 61535	4.2 mi	Groveland, IL
ZIP code 61611	6.2 mi	East Peoria, IL
ZIP code 61571	6.5 mi	Washington, IL
ZIP code 61733	6.7 mi	Deer Creek, IL
ZIP code 61635	7.2 mi	East Peoria, IL
ZIP code 61610	7.5 mi	Creve Coeur, IL
ZIP code 61568	7.7 mi	Tremont, IL
ZIP code 61755	7.9 mi	Mackinaw, 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 61550, plotted from its record coordinates.

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

Scope ZIP code 61550. 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.