ZIP Code 61773

61773 is one of Illinois's ZIP codes, delivering to addresses in Sibley, Ford County.

City: Sibley
County: Ford County
State: Illinois
Prefix: 617xx

Where this code sits

61773 is part of the 617xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sibley.

Sibley Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61773 delivers to without sharing its boundary.

ZIP codes nearest 61773

The ZIP codes whose reference points sit closest to 61773.
ZIP code	Distance	Delivers to
ZIP code 61775	4.7 mi	Strawn, IL
ZIP code 61731	6.1 mi	Cropsey, IL
ZIP code 60952	6.7 mi	Melvin, IL
ZIP code 61720	8.1 mi	Anchor, IL
ZIP code 60936	8.1 mi	Gibson City, IL
ZIP code 60933	10 mi	Elliott, IL
ZIP code 60962	11 mi	Roberts, IL
ZIP code 61741	12 mi	Forrest, 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 61773, plotted from its record coordinates.

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

Scope ZIP code 61773. 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.