North Washington IA ZIP Code
North Washington city is located in Iowa State, Chickasaw County and has a unique zip code assigned by the US Postal Service Office.
You can search for the North Washington IA zip code by its streets and block numbers if we have some of the North Washington streets loaded in our website
North Washington Area Code is 641 and Time Zone is Central (GMT -06:00).
North Washington Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the North Washington City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the North Washington ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in North Washington, Iowa.
The North Washington Zip Code is 50661.
If you want to send a mail to North Washington City, you should use the 50661 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded North Washington 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 50661 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a North Washington 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.