Rock Rapids IA ZIP Code
Rock Rapids city is located in Iowa State, Lyon County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Rock Rapids IA zip code by its streets and block numbers if we have some of the Rock Rapids streets loaded in our website
Rock Rapids Area Code is 712 and Time Zone is Central (GMT -06:00).
Rock Rapids Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Rock Rapids City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Rock Rapids ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Rock Rapids, Iowa.
The Rock Rapids Zip Code is 51246.
If you want to send a mail to Rock Rapids City, you should use the 51246 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Rock Rapids 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 51246 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Rock Rapids 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.