Allison IA ZIP Code
Allison city is located in Iowa State, Butler County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Allison IA zip code by its streets and block numbers if we have some of the Allison streets loaded in our website
Allison Area Code is 319 and Time Zone is Central (GMT -06:00).
Allison Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Allison City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Allison ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Allison, Iowa.
The Allison Zip Code is 50602.
If you want to send a mail to Allison City, you should use the 50602 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Allison 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 50602 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Allison 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.