US United States Major Regions Postal Code Details
๐๏ธ Saint Mary ยท Louisiana
70340
Amelia
70514
Baldwin
70380
Bayou Vista
70342
Berwick
70392
Calumet
70522
Centerville
70523
Charenton
70538
Cypremort Point
70538
Franklin
70540
Garden City
70342
Glenwild
70392
Idlewild
70380
Morgan City
70392
Patterson
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).