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.
The ZIP Code should always be the very last part of the address line. Id.zip
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 Use this for a more precise 9-digit code (e
Idaho ZIP Codes typically fall within the range of . First Digit (8): Represents the Western United States. The search result for likely refers to the
If you need to look up a specific code for an address, use these official resources:
Adding the extra four digits can speed up delivery.