Riva zip code is 21140. The zip code 21140 use for the city - Riva, Maryland (MD) of United States.
The city of US named Riva provides postal services with the postal code or zip code called 21140 and the state name of the post office is Maryland (MD) of the United States of America.
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Riva, Maryland (MD) of US, Zip - 21140 . Coordinates - 38.9504, -76.5854
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Package delivery, Postal Service, Mail service for 21140 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.