US United States Major Regions Postal Code Details
๐๏ธ Calaveras ยท California
95221
Altaville
95222
Angels Camp
95223
Arnold
95224
Avery
95223
Bear Valley
95225
Burson
95223
Camp Connell
95226
Campo Seco
95228
Copperopolis
95223
Dorrington
95229
Douglas Flat
95232
Glencoe
95233
Hathaway Pines
95245
Mokelumne Hill
95246
Mountain Ranch
95247
Murphys
95248
Rail Road Flat
95249
San Andreas
95246
Sheep Ranch
95251
Vallecito
95226
Valley Springs
95254
Wallace
95255
West Point
95257
Wilseyville
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).