US United States Major Regions Postal Code Details
๐๏ธ Cache ยท Utah
84335
Amalga
84328
Avon
84335
Benson
84304
Cache Junction
84305
Clarkston
84339
College Ward
84308
Cornish
84320
Cove
84318
Hyde Park
84319
Hyrum
84320
Lewiston
84322
Logan
84325
Mendon
84326
Millville
84327
Newton
84321
Nibley
84341
North Logan
84328
Paradise
84325
Petersboro
84332
Providence
84333
Richmond
84321
River Heights
84335
Smithfield
84338
Trenton
84322
Utah State University
84308
Utida
84339
Wellsville
84339
Young Ward
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).