Mifflinville PA ZIP Code
Mifflinville city is located in Pennsylvania State, Columbia County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Mifflinville PA zip code by its streets and block numbers if we have some of the Mifflinville streets loaded in our website
Mifflinville Area Code is 570 and Time Zone is Eastern (GMT -05:00).
Mifflinville Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Mifflinville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Mifflinville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Mifflinville, Pennsylvania.
The Mifflinville Zip Code is 18631.
If you want to send a mail to Mifflinville City, you should use the 18631 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Mifflinville 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 18631 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mifflinville 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.