ZIP Codes in Portage, MI
Portage uses 2 ZIP codes, all in Kalamazoo County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Portage ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 49002 | standard | Kalamazoo | 19,737 |
| 49024 | standard | Kalamazoo | 30,823 |
Finding a ZIP+4 in Portage
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 Portage 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 Portage addresses and download it complete.