US United States Major Regions Postal Code Details
๐๏ธ Hamilton ยท Tennessee
37302
Apison
37304
Bakewell
37308
Birchwood
37409
Chattanooga
37424
Chickamauga
37363
College Dale
37315
Collegedale
37412
East Ridge
37341
Harrison
37343
Hixson
37379
Lakesite
37350
Lookout Mountain
37351
Lupton City
37363
Ooltewah
37415
Red Bank
37411
Ridgeside
37304
Sale Creek
37377
Signal Mountain
37379
Soddy Daisy
37377
Walden
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).