Chickasha OK ZIP Code
Chickasha city is located in Oklahoma State, Grady County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Chickasha OK zip code by its streets and block numbers if we have some of the Chickasha streets loaded in our website
Chickasha Area Code is 405 and Time Zone is Central (GMT -06:00).
Chickasha Zip Code - Oklahoma
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Chickasha City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Chickasha ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Chickasha, Oklahoma.
The Chickasha Zip Code is 73018, 73023.
If you want to send a mail to Chickasha City, you should use the 73018, 73023 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Chickasha 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 73018, 73023 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Chickasha 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.