Northumberland PA ZIP Code
Last added ZIP code areas:49437 zip code 55038 zip code walton kentucky zip code legoland zip code zip code for houtzdale pa willimantic connecticut zip code celoron ny zip code pizza hut northwest expressway oklahoma city ok autozone northwest expressway oklahoma city cordell ok zip code staunton il zip code stoughton zip code wi applebees nw expressway oklahoma city albany wi zip code zip code vienna wv washington county utah zip codes
Northumberland city is located in Pennsylvania State, Northumberland County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Northumberland PA zip code by its streets and block numbers if we have some of the Northumberland streets loaded in our website
Northumberland Area Code is 570 and Time Zone is Eastern (GMT -05:00).
Northumberland Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Northumberland City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Northumberland ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Northumberland, Pennsylvania.
The Northumberland Zip Code is 17857.
If you want to send a mail to Northumberland City, you should use the 17857 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Northumberland ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 17857 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Northumberland city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Pennsylvania.