You could try turning off your phone and turning it back on to see if that makes the phone refresh what phone # it "has" ? It might just be taking a while like the other people here said.
I just successfully ported my Koodo post-paid account's phone number over, and I didn't have to change my email address (which was the same for Koodo and PM). After submitting a "contact us" request two days ago, but not hearing back yet I saw someth...