Oelwein IA ZIP Code
Oelwein city is located in Iowa State, Fayette County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Oelwein IA zip code by its streets and block numbers if we have some of the Oelwein streets loaded in our website
Oelwein Area Code is 319 and Time Zone is Central (GMT -06:00).
Oelwein Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Oelwein City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Oelwein ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Oelwein, Iowa.
The Oelwein Zip Code is 50662.
If you want to send a mail to Oelwein City, you should use the 50662 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Oelwein 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 50662 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Oelwein 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.