How can you know if an incoming call is being forwarded from another number


New Member
Jun 29, 2010
I have just started selling real estate part time, and have the phones forwarded to my personal cell phone on the weekends. I also have a stipend from my full-time employer to carry my personal cell for employee phone calls, so I really can't assume that any unknown number is from the Real Estate company. How can I tell if the incoming number is being forwarded from the real estate office? All I see is the incoming phone number on the caller ID. I have looked on-line and in the forums, but haven't seen any solutions. Does anyone have any suggestions?