Dedham IA ZIP Code
Dedham city is located in Iowa State, Carroll County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Dedham IA zip code by its streets and block numbers if we have some of the Dedham streets loaded in our website
Dedham Area Code is 712 and Time Zone is Central (GMT -06:00).
Dedham Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dedham City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dedham ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dedham, Iowa.
The Dedham Zip Code is 51440.
If you want to send a mail to Dedham City, you should use the 51440 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Dedham 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 51440 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dedham 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.