ZIP Codes in Pontiac, MI
Pontiac uses 3 ZIP codes, all in Oakland County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Pontiac ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 48340 | standard | Oakland | 25,669 |
| 48341 | standard | Oakland | 18,924 |
| 48342 | standard | Oakland | 17,564 |
Finding a ZIP+4 in Pontiac
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 Pontiac 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 Pontiac addresses and download it complete.