Zip code 11901

Zip code 11901, NY

The zip code 11901, type standard, belongs to the following denominations: Riverhead, Flanders, Northampton . It is part of the county Suffolk County, state of New York. It has an estimated population of 23620.

The postal code 11901 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Riverhead) or acceptable (Flanders).