The Cambridge Consumers’ Council, in cooperation with the U.S. Postal Service, offers free document shredding from 10 a.m. to 2 p.m. March 7 in front of the Central Square Post Office, 770 Massachusetts Ave.

Members of the public can dispose of personal and confidential paper documents securely and on the spot in a mobile shredding truck. Local officials from the council, U.S. Postal Service, U.S. Postal Inspection Service and Attorney General Maura Healey’s Office will provide information on consumer rights and safety and help residents dispose of unwanted records safely.

Ten minute drop-off parking is to be available on Massachusetts Avenue between Sellers and Pleasant streets. Call Patrick Williams with questions at (617) 349-6150 or send email to consumer@cambridgema.gov.