I RECIEVED ONE JUST A FEW MIN. AGO. I HAVE A FEATURE ON MY PHONE THAT BLOCKS THESE NUMBERS THAT HAVE NO NAME. IT RANG ONE AND 1/2 TIMES AND QUIT. I THINK MY NUMBER TO BLOCK IS *67. IT MAY BE DIFFERENT FOR EACH PROVIDER. MY PROVIDER IS TDS. BELIEVE ME, IT ANNOYING FOR SURE.