Erwinna PA ZIP Code
Erwinna city is located in Pennsylvania State, Bucks County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Erwinna PA zip code by its streets and block numbers if we have some of the Erwinna streets loaded in our website
Erwinna Area Code is 610/484 and Time Zone is Eastern (GMT -05:00).
Erwinna Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Erwinna City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Erwinna ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Erwinna, Pennsylvania.
The Erwinna Zip Code is 18920.
If you want to send a mail to Erwinna City, you should use the 18920 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Erwinna 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 18920 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Erwinna 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.