Holy Cross IA ZIP Code
Holy Cross city is located in Iowa State, Dubuque County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Holy Cross IA zip code by its streets and block numbers if we have some of the Holy Cross streets loaded in our website
Holy Cross Area Code is 563 and Time Zone is Central (GMT -06:00).
Holy Cross Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Holy Cross City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Holy Cross ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Holy Cross, Iowa.
The Holy Cross Zip Code is 52053.
If you want to send a mail to Holy Cross City, you should use the 52053 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Holy Cross 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 52053 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Holy Cross 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.