Smithland IA ZIP Code
Smithland city is located in Iowa State, Woodbury County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Smithland IA zip code by its streets and block numbers if we have some of the Smithland streets loaded in our website
Smithland Area Code is 712 and Time Zone is Central (GMT -06:00).
Smithland Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Smithland City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Smithland ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Smithland, Iowa.
The Smithland Zip Code is 51056.
If you want to send a mail to Smithland City, you should use the 51056 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Smithland 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 51056 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Smithland 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.