Waldo AR ZIP Code
Waldo city is located in Arkansas State, Columbia County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Waldo AR zip code by its streets and block numbers if we have some of the Waldo streets loaded in our website
Waldo Area Code is 870 and Time Zone is Central (GMT -06:00).
Waldo Zip Code - Arkansas
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Waldo City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Waldo ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Waldo, Arkansas.
The Waldo Zip Code is 71770.
If you want to send a mail to Waldo City, you should use the 71770 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Waldo 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 71770 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Waldo 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 Arkansas.