US United States Major Regions Postal Code Details
๐๏ธ Norfolk City ยท Virginia
23551
Cinclantflt
23511
Fleet
23515
Fleet Marine Force Atlantic
23511
Joint Forces Staff College
23511
Naval Base
23511
Naval Communications Area Ma
23551
Norfolk
23511
Norfolk Naval Air Station
23511
Norfolk Naval Public Works C
23511
Norfolk Naval Station
23529
Old Dominion University
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).