If you need to look up a specific code for an address, use these official resources:
Search by full address or by city and state.
The ZIP Code should always be the very last part of the address line.
Pinpoint a specific local post office or delivery area. How to Find a ZIP Code in Idaho
Identify the Sectional Center Facility (SCF) , a major mail-sorting hub.
Idaho ZIP Codes typically fall within the range of . First Digit (8): Represents the Western United States.