ZIP Code 11803 is located in the county of Nassau in the state of New York. 11803 ZIP Code is spread between the coordinates of +40.7790508 Latitude and -73.48050294 Longitude. 11803 ZIP Code is part of the 516, 631 area code. There are 0 postal offices in zip code 11803.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 11803. 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.