ZIP Codes in New Haven, MI
New Haven uses 2 ZIP codes, all in Macomb County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 New Haven ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 48048 | standard | Macomb | 11,349 |
| 48050 | standard | Macomb | 1,338 |
Finding a ZIP+4 in New Haven
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 New Haven 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 New Haven addresses and download it complete.