ZIP Codes in Waukegan, IL
Waukegan uses 2 ZIP codes, all in Lake County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Waukegan ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 60085 | standard | Lake | 72,341 |
| 60087 | standard | Lake | 27,293 |
Finding a ZIP+4 in Waukegan
Knowing which of these 2 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 Waukegan 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 Waukegan addresses and download it complete.