Welch OK ZIP Code
Welch city is located in Oklahoma State, Craig County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Welch OK zip code by its streets and block numbers if we have some of the Welch streets loaded in our website
Welch Area Code is 918 and Time Zone is Central (GMT -06:00).
Welch Zip Code - Oklahoma
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Welch City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Welch ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Welch, Oklahoma.
The Welch Zip Code is 74369.
If you want to send a mail to Welch City, you should use the 74369 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Welch 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 74369 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Welch 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.