The search result for likely refers to the Zone Improvement Plan (ZIP) Codes used specifically within the state of Idaho (ID) . Idaho ZIP Code Structure
The ZIP Code should always be the very last part of the address line.
If you need to look up a specific code for an address, use these official resources: Id.zip
Identify the Sectional Center Facility (SCF) , a major mail-sorting hub.
Search by full address or by city and state. The search result for likely refers to the
Use this for a more precise 9-digit code (e.g., 83702-1234). Quick Reference for Major Idaho Cities Primary ZIP Code Boise Pocatello Idaho Falls Twin Falls Coeur d'Alene Best Practices for Addressing Mail Use All Caps: The USPS prefers "ZIP Code" in uppercase.
Adding the extra four digits can speed up delivery. Search by full address or by city and state
Idaho ZIP Codes typically fall within the range of . First Digit (8): Represents the Western United States.