Blanco OK ZIP Code
Blanco city is located in Oklahoma State, Pittsburg County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Blanco OK zip code by its streets and block numbers if we have some of the Blanco streets loaded in our website
Blanco Area Code is 918 and Time Zone is Central (GMT -06:00).
Blanco Zip Code - Oklahoma
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Blanco City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Blanco ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Blanco, Oklahoma.
The Blanco Zip Code is 74528.
If you want to send a mail to Blanco City, you should use the 74528 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Blanco 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 74528 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Blanco 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.