US United States Major Regions Postal Code Details
๐๏ธ Garrett ยท Maryland
21520
Accident
21522
Bittinger
21523
Bloomington
21550
Crellin
21550
Deer Park
21531
Friendsville
21536
Grantsville
21550
Hutton
21536
Jennings
21538
Kitzmiller
21550
Loch Lynn Heights
21541
Mc Henry
21550
Mountain Lake Park
21550
Oakland
21541
Sang Run
21538
Shallmar
21561
Swanton
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).