US United States Major Regions Postal Code Details
๐๏ธ Williamson ยท Tennessee
37046
Allisona
37014
Arrington
37046
Bethesda
37027
Brentwood
37046
College Grove
37062
Fairview
37027
Forest Hills
37069
Franklin
37064
Kingfield
37135
Nolensville
37064
Peytonsville
38476
Primm Springs
37064
Rudderville
37179
Thompsons Station
37014
Triune
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).