Castle OK ZIP Code
Castle city is located in Oklahoma State, Okfuskee County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Castle OK zip code by its streets and block numbers if we have some of the Castle streets loaded in our website
Castle Area Code is 405/918 and Time Zone is Central (GMT -06:00).
Castle Zip Code - Oklahoma
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Castle City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Castle ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Castle, Oklahoma.
The Castle Zip Code is 74833.
If you want to send a mail to Castle City, you should use the 74833 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Castle 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 74833 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Castle 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.