ZIP Codes in Farmington, MI
Farmington uses 4 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 4 Farmington ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 48331 | standard | Oakland | 21,562 |
| 48334 | standard | Oakland | 19,618 |
| 48335 | standard | Oakland | 25,077 |
| 48336 | standard | Oakland | 26,432 |
Finding a ZIP+4 in Farmington
Knowing which of these 4 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 Farmington 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 Farmington addresses and download it complete.