I think it is a routing number in Metro Vancouver, BC for overseas calls. I just received a genuine call from my friend's land line in El Salvador, Central America to my cell phone in Vancouver and it showed (604) 628-2598.

Called me on a Saturday evening and left a message which said, "Hey John Fried, I'm fingering my a***ole right now." Disturbing.

I had a missed call from this number recently and the caller stayed on the phone leaving a message without talking. You could hear people speaking in Chinese in the background. For some reason, I thought this call was a little odd. So, if they call again I will ignore there calls.
October 22,2009

I got a call today, March 16, 2009, around 5:15 pm.  It was a lady that asked me if I knew Chinese in Mandarine.  It really irritated me because when I first picked up she kept on saying hello to me and I already said hello back...  So I didn't know what she wanted until she finally spoke Chinese. I told her sorry you got the wrong number and she said sorry and hung up.  No idea what that was about. Probably a telemarketer

He said online prescriptions

Caller called and spoke in my mother tongue, Tamil and said that Telus has received complaints about our phone being used by Telemarketers. My husband asked what is your ID and call back number and he gave his Telus ID as 08 TEL 619 and gave 1 +1 866-585-1111 as a call back number. My husband said that he would call him back and hung up. I did google search on this number and got this thread.Previously there were calls from a Nebraska or Utah number who would just keep silent whenever we pick up. We stopped picking up calls from unknown numbers . But, this number caught us by surprise.