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  2. What is the zip code of Gibson Island, MD, 21056

Gibson Island (MD) Zip Code is 21056 Latest Details Nov, 2025

Updated: 06-11-2025

Gibson Island (MD) zip Code is 21056, Postal Code details. Gibson Island is located in state MD, United States.

Find Zip Code 21056 Details

ZIP code 21056 is located in Gibson Island MD in the United States.

Postal Code United States Zip Code 21056 Latest update Gibson Island, MD
Zip Code / Postal Code 21056

City

Gibson Island

State Code

MD

County

Anne Arundel, United States

Postal Locations

Gibson Island, MD - Zip Code is - 21056

Postal

United States Postal Service USPS Link

Delivery Type

Package Delivery and first class mail.

The zip code 21056 is an essential part of the postal system in Gibson Island, MD. Located in a vibrant part of the city, this zip code covers a variety of neighborhoods, offering residents and businesses a unique blend of suburban comfort and urban convenience. Whether you're looking to send mail, relocate, or simply learn more about the area, Gibson Island has a lot to offer.

FAQ about Zip Code 21056, Gibson Island, (MD)

What is Zip code Gibson Island?

Gibson Island Zip Code: 21056, used by the Gibson Island Post Office and USPS, is a Zone Improvement Plan code that ensures faster, accurate mail delivery in Anne Arundel, MD. Represented by the American Postal Workers Union (APWU), USPS oversees postal operations.

What is Postal code of area Gibson Island?

Gibson Island Postal Code is: 21056

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