Not scammer. Legit private residential contact.

Called my home phone & mobile few times in a row on a same day. Didn't pick it up because I don't know the number. Assume following mob numbers could be related to same source because I get calls from them right after the calls to home phone & sometimes alternating in a row.0416 407 779 & 0438 010 822.
Would like to know if anybody else get calls from these numbers? & who they are?