Catonsville zip code is 21228. The zip code 21228 use for the city - Catonsville, Maryland (MD) of United States.
The city of US named Catonsville provides postal services with the postal code or zip code called 21228 and the state name of the post office is Maryland (MD) of the United States of America.
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Catonsville, Maryland (MD) of US, Zip - 21228 . Coordinates - 39.2782, -76.7401
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Package delivery, Postal Service, Mail service for 21228 as well others
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USPS, Founded by United States Congress in 1971, Headquarters - Washington, DC, US.
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Disclaimer: The above zip details is updated as available from USPS Website. Visitors are advised to verify details with the respective Postal Office before using the information provided.