ZIP Code 11901 is located in the county of Suffolk in the state of New York. 11901 ZIP Code is spread between the coordinates of +40.9286149 Latitude and -72.65476816 Longitude. 11901 ZIP Code is part of the 631 area code. There are 2 postal offices in zip code 11901.
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.