ZIP Codes in Champaign, IL
Champaign uses 3 ZIP codes, all in Champaign County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Champaign ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 61820 | standard | Champaign | 40,599 |
| 61821 | standard | Champaign | 28,611 |
| 61822 | standard | Champaign | 27,642 |
Finding a ZIP+4 in Champaign
Knowing which of these 3 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 Champaign 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 Champaign addresses and download it complete.