Randolph IA ZIP Code
Randolph city is located in Iowa State, Fremont County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Randolph IA zip code by its streets and block numbers if we have some of the Randolph streets loaded in our website
Randolph Area Code is 712 and Time Zone is Central (GMT -06:00).
Randolph Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Randolph City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Randolph ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Randolph, Iowa.
The Randolph Zip Code is 51649.
If you want to send a mail to Randolph City, you should use the 51649 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Randolph 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 51649 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Randolph 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.