zip4lookup

ZIP Codes in Grant Park, IL

Grant Park uses 1 ZIP code, all in Kankakee County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.

Free. No account needed.

All 1 Grant Park ZIP codes

ZIPTypeCountyPopulation
60940 standard Kankakee 3,322

Finding a ZIP+4 in Grant Park

Knowing which of these 1 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Grant Park street almost always have different ZIP+4 codes even though they share all five leading digits.

Appending ZIP+4 to a mailing list?

Upload a CSV of Grant Park addresses and download it complete.

Bulk lookup API docs