Richfield ID ZIP Code
Richfield city is located in Idaho State, Lincoln County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Richfield ID zip code by its streets and block numbers if we have some of the Richfield streets loaded in our website
Richfield Area Code is 208 and Time Zone is Mountain (GMT -07:00).
Richfield Zip Code - Idaho
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Richfield City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Richfield ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Richfield, Idaho.
The Richfield Zip Code is 83349.
If you want to send a mail to Richfield City, you should use the 83349 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Richfield 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 83349 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Richfield 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 Idaho.