Red Oak IA ZIP Code

Red Oak city is located in Iowa State, Montgomery County and has a unique zip code assigned by the US Postal Service Office.


You can search for the Red Oak IA zip code by its streets and block numbers if we have some of the Red Oak streets loaded in our website

Red Oak Area Code is 712 and Time Zone is Central (GMT -06:00).



Red Oak Zip Code - Iowa

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Red Oak City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Red Oak ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Red Oak, Iowa.

The Red Oak Zip Code is 51566, 51591.



If you want to send a mail to Red Oak City, you should use the 51566, 51591 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Red Oak 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 51566, 51591 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Red Oak 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 Iowa.


Red Oak, Iowa - MAP



What is the Red Oak Zip Code?

The Red Oak Zip Code in Iowa is 51566, 51591.


ZIP Plus 4 Red Oak - US Streets Zip Codes

By pressing keys ctrol + F you can search Red Oak zip codes by its streets, highways, and know the ZIP+4 US ZIP Code


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Search Red Oak Zip Code

What is the zip code for Red Oak IA?

51566, 51591

Red Oak, Iowa - US Zip Code



Red Oak ZIP Code Lookup

51566, 51591 Zip Code File:
Zip Code: 51566, 51591,
City: Red Oak
Red Oak Area Code: 712
Red Oak, IA - Time Zone: Central (GMT -06:00)
County: Montgomery
City Alias: Red Oak, Red Oak
State: Iowa
State Abb: IA



Iowa Zip+4 - Nearby Red Oak Cities

Cities near Red Oak in Iowa
(straight line)


View more Iowa zip codes