Guernsey IA ZIP Code
Guernsey city is located in Iowa State, Poweshiek County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Guernsey IA zip code by its streets and block numbers if we have some of the Guernsey streets loaded in our website
Guernsey Area Code is 319 and Time Zone is Central (GMT -06:00).
Guernsey Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Guernsey City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Guernsey ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Guernsey, Iowa.
The Guernsey Zip Code is 52221.
If you want to send a mail to Guernsey City, you should use the 52221 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Guernsey 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 52221 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Guernsey 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.