Sumner IA ZIP Code
Sumner city is located in Iowa State, Bremer County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Sumner IA zip code by its streets and block numbers if we have some of the Sumner streets loaded in our website
Sumner Area Code is 563 and Time Zone is Central (GMT -06:00).
Sumner Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Sumner City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Sumner ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Sumner, Iowa.
The Sumner Zip Code is 50674.
If you want to send a mail to Sumner City, you should use the 50674 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Sumner 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 50674 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Sumner 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.