Northampton zip code
Zip code in Northampton, NY
The location Northampton belongs to Suffolk County, state of New York. Northampton has been assigned with the zip code 11901.
The location name Northampton is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Riverhead, the official name of the location. You can also use any of the following names: Flanders.
| Zip code | Type | Population |
|---|---|---|
| 11901 | STANDARD | 23,620 |
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