Shamrock OK ZIP Code
Shamrock city is located in Oklahoma State, Creek County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Shamrock OK zip code by its streets and block numbers if we have some of the Shamrock streets loaded in our website
Shamrock Area Code is 918 and Time Zone is Central (GMT -06:00).
Shamrock Zip Code - Oklahoma
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Shamrock City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Shamrock ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Shamrock, Oklahoma.
The Shamrock Zip Code is 74068.
If you want to send a mail to Shamrock City, you should use the 74068 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Shamrock 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 74068 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Shamrock 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.