ZIP Codes in Howell, MI
Howell uses 2 ZIP codes, all in Livingston County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Howell ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 48843 | standard | Livingston | 48,014 |
| 48855 | standard | Livingston | 16,668 |
Finding a ZIP+4 in Howell
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 Howell 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 Howell addresses and download it complete.