ZIP Codes in Mount Vernon, NY
Mount Vernon uses 3 ZIP codes, all in Westchester County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Mount Vernon ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 10550 | standard | Westchester | 38,972 |
| 10552 | standard | Westchester | 22,341 |
| 10553 | standard | Westchester | 11,011 |
Finding a ZIP+4 in Mount Vernon
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 Mount Vernon 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 Mount Vernon addresses and download it complete.