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.

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

Mainland Area Code is 215/267 and Time Zone is Eastern (GMT -05:00).

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.

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ZIP Plus 4 Mainland - US Streets Zip Code

M

• Main ST

O

• Oak DR