US United States Major Regions Postal Code Details
🏛️ Saint Marys · Maryland
20606Abell
Abell saint marys maryland 20606 United States
20609Avenue
Avenue saint marys maryland 20609 United States
20684Beachville
Beachville saint marys maryland 20684 United States
20618Bushwood
Bushwood saint marys maryland 20618 United States
20619California
California saint marys maryland 20619 United States
20620Callaway
Callaway saint marys maryland 20620 United States
20621Chaptico
Chaptico saint marys maryland 20621 United States
20624Clements
Clements saint marys maryland 20624 United States
20626Coltons Point
Coltons Point saint marys maryland 20626 United States
20627Compton
Compton saint marys maryland 20627 United States
20628Dameron
Dameron saint marys maryland 20628 United States
20630Drayden
Drayden saint marys maryland 20630 United States
20634Great Mills
Great Mills saint marys maryland 20634 United States
20635Helen
Helen saint marys maryland 20635 United States
20636Hollywood
Hollywood saint marys maryland 20636 United States
20650Leonardtown
Leonardtown saint marys maryland 20650 United States
20653Lexington Park
Lexington Park saint marys maryland 20653 United States
20656Loveville
Loveville saint marys maryland 20656 United States
20621Maddox
Maddox saint marys maryland 20621 United States
20659Mechanicsville
Mechanicsville saint marys maryland 20659 United States
20660Morganza
Morganza saint marys maryland 20660 United States
20667Park Hall
Park Hall saint marys maryland 20667 United States
20670Patuxent River
Patuxent River saint marys maryland 20670 United States
20670Patuxent River Naval Air Sta
Patuxent River Naval Air Sta saint marys maryland 20670 United States
20674Piney Point
Piney Point saint marys maryland 20674 United States
20680Ridge
Ridge saint marys maryland 20680 United States
20684Saint Inigoes
Saint Inigoes saint marys maryland 20684 United States
20686Saint Marys
Saint Marys saint marys maryland 20686 United States
20686Saint Marys City
Saint Marys City saint marys maryland 20686 United States
20687Scotland
Scotland saint marys maryland 20687 United States
20690Tall Timbers
Tall Timbers saint marys maryland 20690 United States
20692Valley Lee
Valley Lee saint marys maryland 20692 United States
📋 United States Address and Delivery Guidance
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Use a Complete Delivery Address:
Include the recipient name, building or street address, locality, region where applicable, postal code when the destination uses one, and the destination country or territory.
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Use the language, character set and address order requested by the recipient, official postal operator or carrier. Do not assume every destination uses the same postal-code format.
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Delivery Information Is Context-Specific:
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📮United States Postal FAQ and delivery guidance
📮 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.
🔍 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.
⚠️ 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.
🔄 Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
📦 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).
