US United States Major Regions Postal Code Details
๐๏ธ Charles ยท Maryland
20611
Bel Alton
20612
Benedict
20616
Bryans Road
20617
Bryantown
20622
Charlotte Hall
20625
Cobb Island
20646
Dentsville
20632
Faulkner
20637
Hughesville
20640
Indian Head
20643
Ironsides
20645
Issue
20646
La Plata
20658
Marbury
20616
Marshall Hall
20661
Mount Victoria
20662
Nanjemoy
20664
Newburg
20640
Pisgah
20675
Pomfret
20677
Port Tobacco
20658
Rison
20682
Rock Point
20603
Saint Charles
20645
Swan Point
20603
Waldorf
20693
Welcome
20695
White Plains
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).