This number was SPOOFED.      SPOOFED/Prank is someone changing their caller ID and replacing it with fake information and/or number to falsify their identity.  these are Calls that provide a false or "spoofed" incoming phone number on the caller ID display.  Find the actual number in your call detail log/report by matching up the times received. Report all details to the FCC online http://www.fcc.gov/complaints or call 888 225 5322. Spoofing is illegal under the "Truth and Caller ID Act".  Those caught could face penalties and/or jail time.