The telephone number:  613-736-4374 is owned by a fax broadcasting company called J2 Global, which uses that telephone to send out faxes for a majority of its fax broadcasting customers.  You can add your telephone number to the J2 “do not fax list” by calling 866-272-9959.  J2’s technical support team suggests adding your number with and without a (1) in front of it.  J2 owns various fax companies including eFax, and they can be reached at: (323) 860-9200.   Agero does not support sending junk faxes.