US United States Major Regions Postal Code Details
๐๏ธ Calcasieu ยท Louisiana
70630
Bell City
70629
Calcasieu Marine Tower
70633
Dequincy
70607
Drew
70601
Grand Lake
70646
Hayes
70647
Iowa
70602
Lake Charles
70609
McNeese State University
70611
Moss Bluff
70661
Starks
70663
Sulphur
70605
Sweet Lake
70668
Vinton
70669
Westlake
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).