Riverhead zip code
Zip code in Riverhead, NY
The location Riverhead belongs to Suffolk County, state of New York. Riverhead has been assigned with the zip code 11901.
Riverhead is the official name of the location so if you want to use the US Postal Service you must use that name. You can also use any of the following names: Flanders.
| Zip code | Type | Population |
|---|---|---|
| 11901 | STANDARD | 23,620 |
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