Zip Code 11901 is located in Riverhead, Suffolk county in the state of New York. 11901 Zip Code is spread between the coordinates of +40.922326 Latitude and -072.637078 Longitude. 11901 Zip Code is part of the 631 area code. There are 2 postal offices in zip code 11901 which we have listed below
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 11901. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.