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Mainland PA ZIP Code

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

Mainland Zip Code - Pennsylvania

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

If you want to send a mail to Mainland City, you should use the 19451 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Mainland 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 19451 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mainland 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.

ZIP Plus 4 Mainland - US Streets Zip Codes

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