ZIP Code 61771

61771 is one of Illinois's ZIP codes, delivering to addresses in Secor, Woodford County.

City: Secor
County: Woodford County
State: Illinois
Prefix: 617xx

Where this code sits

61771 is part of the 617xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Secor.

Secor Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61771 delivers to without sharing its boundary.

ZIP codes nearest 61771

The ZIP codes whose reference points sit closest to 61771.
ZIP code	Distance	Delivers to
ZIP code 61738	6.1 mi	El Paso, IL
ZIP code 61561	6.6 mi	Roanoke, IL
ZIP code 61516	7.5 mi	Benson, IL
ZIP code 61530	7.5 mi	Eureka, IL
ZIP code 61729	8.0 mi	Congerville, IL
ZIP code 61725	8.3 mi	Carlock, IL
ZIP code 61742	9.8 mi	Goodfield, IL
ZIP code 61748	11 mi	Hudson, 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 61771, plotted from its record coordinates.

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

Scope ZIP code 61771. 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.