ZIP Code 16603 is located in the county of Blair in the state of Pennsylvania. 16603 ZIP Code is spread between the coordinates of +40.5 Latitude and -78.4 Longitude. 16603 ZIP Code is part of the 814 area code. There are 0 postal offices in zip code 16603.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 16603. 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.