: Including the extra four digits—separated by a hyphen—helps identify specific delivery segments.
: Avoid commas or periods; for example, write "CA 90001" instead of "CA, 90001". 133815 zip
When writing a mailing address for the U.S. Postal Service (USPS), keep these standards in mind to ensure efficient delivery: : Use all CAPS for the entire address. : Including the extra four digits—separated by a
: An active postal code serving Idaho Falls, Idaho . Postal Standards for United States Addresses Postal Service (USPS), keep these standards in mind
: The USPS Zip Code Lookup tool can verify the specific code for any physical address. ZIP Code™ Lookup | USPS
While is not a valid 5-digit United States ZIP Code, it often appears as part of internal filing numbers or identification strings in official records. For instance, Filing 133815 is a specific request submitted to the Postal Regulatory Commission regarding a competitive product contract.
: Located in Kootenai County, this code covers the city of Coeur d'Alene, Idaho .