Ever since I transferred my number over to 7/11 Speakout plan from Bell mobility, I been getting lots of calls from telemarketers… I have not given out my number to anyone new since I transferred the number and I didn't have this problem prior to transferring the number.
OTOH I ported from Bell some 2 years ago yet I've never gotten so much as one telemarketing call. I doubt Bell or SO pass numbers on to telemarketers.
You can try the Do-Not-Call list, however, there have been media reports that telemarketing scum get that list and use it to make calls from outside of Canada. Again, OTOH my cell number has been on the DNC list since day-1 yet still no telemarketing calls.
I'm as confused about why some people get these calls yet others don't. But I'm glad to be a member of the latter group.