Houghton IA ZIP Code
Houghton city is located in Iowa State, Lee County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Houghton IA zip code by its streets and block numbers if we have some of the Houghton streets loaded in our website
Houghton Area Code is 319 and Time Zone is Central (GMT -06:00).
Houghton Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Houghton City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Houghton ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Houghton, Iowa.
The Houghton Zip Code is 52631.
If you want to send a mail to Houghton City, you should use the 52631 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Houghton 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 52631 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Houghton 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.