Martha OK ZIP Code
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Martha city is located in Oklahoma State, Jackson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Martha OK zip code by its streets and block numbers if we have some of the Martha streets loaded in our website
Martha Area Code is 580 and Time Zone is Central (GMT -06:00).
Martha Zip Code - Oklahoma
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Martha City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Martha ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Martha, Oklahoma.
The Martha Zip Code is 73556.
If you want to send a mail to Martha City, you should use the 73556 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Martha 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 73556 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Martha 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 Oklahoma.