US United States Major Regions Postal Code Details
๐๏ธ Ada ยท Idaho
83726
Albertsons
83716
Atlanta
83732
Boise
83728
Boise Cascade
83725
Boise State University
83731
Dept Of Transportation
83616
Eagle
83724
Federal Bldg
83703
Garden City
83714
Hidden Springs
83735
Id State Dept Of Employ
83720
Idaho State House
83722
Idaho State Tax Commission
83732
Intermountain Gas Co
83634
Kuna
83716
Mayfield
83680
Meridian
83634
Mora
83616
Pearl
83669
Star
83704
Ustick
83729
Washington Group
๐ฎUS United States Regional Postal Code FAQ & Postal Regulations
๐ฎ What is the format of a US ZIP code?
Standard format is 5 digits (e.g., 10001). Extended format is ZIP+4 (9 digits like 10001-1234) with a hyphen.
๐ How to find the ZIP code for an address?
Use the USPS ZIP Code Lookup tool by entering the full address on the official USPS website.
โ ๏ธ What happens if I use a wrong ZIP code?
Mail may be delayed, returned, or lost. For important documents, use USPS tracking and verify the ZIP code.
๐ Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
๐ฆ Is a ZIP code required for international mail to the US?
Absolutely. Always include the US ZIP code at the end of the address (e.g., New York, NY 10001 USA).