Hayfield MN ZIP Code
Hayfield city is located in Minnesota State, Dodge County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Hayfield MN zip code by its streets and block numbers if we have some of the Hayfield streets loaded in our website
Hayfield Area Code is 507 and Time Zone is Central (GMT -06:00).
Hayfield Zip Code - Minnesota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Hayfield City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Hayfield ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Hayfield, Minnesota.
The Hayfield Zip Code is 55940.
If you want to send a mail to Hayfield City, you should use the 55940 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Hayfield 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 55940 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Hayfield 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 Minnesota.