Williamsport PA ZIP Code

Williamsport city is located in Pennsylvania State, Lycoming County and has a unique zip code assigned by the US Postal Service Office.


You can search for the Williamsport PA zip code by its streets and block numbers if we have some of the Williamsport streets loaded in our website

Williamsport Area Code is 570 and Time Zone is Eastern (GMT -05:00).



Williamsport Zip Code - Pennsylvania

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Williamsport City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Williamsport ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Williamsport, Pennsylvania.

The Williamsport Zip Code is 17701, 17702, 17703, 17705.



If you want to send a mail to Williamsport City, you should use the 17701, 17702, 17703, 17705 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Williamsport 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 17701, 17702, 17703, 17705 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Williamsport 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.


Williamsport, Pennsylvania - MAP




What is the Williamsport Zip Code?

The Williamsport Zip Code in Pennsylvania is 17701, 17702, 17703, 17705.


ZIP Plus 4 Williamsport - US Streets Zip Codes

By pressing keys ctrol + F you can search Williamsport zip codes by its streets, highways, and know the ZIP+4 US ZIP Code


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Search Williamsport Zip Code

What is the zip code for Williamsport PA?

17701, 17702, 17703, 17705

Williamsport, Pennsylvania - US Zip Code



Williamsport ZIP Code Lookup

17701, 17702, 17703, 17705 Zip Code File:
Zip Code: 17701, 17702, 17703, 17705,
City: Williamsport
Williamsport Area Code: 570
Williamsport, PA - Time Zone: Eastern (GMT -05:00)
County: Lycoming
City Alias: Warrensville, Loyalsock, Proctor, Barbours, Grampian Hls, Newberry, Vallamont Hls, Plunketts Crk, Faxon, Heshbon Park, Towncrest Vlg, Williamsport, Center City, Grimesville, Old Lycoming, Oval, Sylvan Dell, Bastress, S Williamsprt, South Williamsport, Williamsport, S Williamsport, Collomsville, Armstrong, Duboistown, S Williamspor, Nisbet, Williamsport, Williamsport, Bro Dart
State: Pennsylvania
State Abb: PA



Pennsylvania Zip+4 - Nearby Williamsport Cities

Cities near Williamsport in Pennsylvania
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