Buffalo OK ZIP Code
Buffalo city is located in Oklahoma State, Harper County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Buffalo OK zip code by its streets and block numbers if we have some of the Buffalo streets loaded in our website
Buffalo Area Code is 580 and Time Zone is Central (GMT -06:00).
Buffalo Zip Code - Oklahoma
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Buffalo City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Buffalo ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Buffalo, Oklahoma.
The Buffalo Zip Code is 73834.
If you want to send a mail to Buffalo City, you should use the 73834 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Buffalo 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 73834 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Buffalo 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.