Foster OK ZIP Code
Foster city is located in Oklahoma State, Stephens County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Foster OK zip code by its streets and block numbers if we have some of the Foster streets loaded in our website
Foster Area Code is 580 and Time Zone is Central (GMT -06:00).
Foster Zip Code - Oklahoma
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Foster City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Foster ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Foster, Oklahoma.
The Foster Zip Code is 73434.
If you want to send a mail to Foster City, you should use the 73434 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Foster 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 73434 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Foster 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.