These numbers (3135450124 or 3135450347) belongs to Quicken Loans.  There are similar variations of the number but they all belong to Quicken Loans.  NEVER fill out those supposedly 'anonymous' requests to see if you qualify for a HARP or low interest mortgage.  You will will start receiving calls from Loan Depot (8775336619) and Quicken Loans nonstop!  And the calls don't stop even after you say no!