Colfax IA ZIP Code
Colfax city is located in Iowa State, Jasper County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Colfax IA zip code by its streets and block numbers if we have some of the Colfax streets loaded in our website
Colfax Area Code is 515 and Time Zone is Central (GMT -06:00).
Colfax Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Colfax City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Colfax ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Colfax, Iowa.
The Colfax Zip Code is 50054.
If you want to send a mail to Colfax City, you should use the 50054 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Colfax 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 50054 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Colfax 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.