Who called from 4704288726

Let phone ring 3 times and then they hung up.  I tried to call back but could not get through.  Recorded voice said number dialed cannot be reached, please recheck your number dialed.

She left message with reference number and person name whose employment they want to verify. return call number left was 404 400 5152 .

Call received today, 4/07/17 at 11:08am - Jenny Sherman from RNN Group trying to verify employment - asked to call back to 404-400-5152, ext 313 - using reference number 0124996421.  Looked them up online and they are debt collectors - have lots of complaints all over the net - scammers and illegal actions.

RNN Group trying to verify employment - asked to call back to 404-400-5152, ext 313 - using reference number 01226597964, do not know who are they, I do not give information... this looks to be a UN-legal practice, mis representing them self..