Do I need a new SIM card?

[BDW]

I was with public then ported over to Telus for a bit. Coming back to PM, do I need to purchase a new SIM card or will my old one do the trick? Thanks. 

[Outdoorsman]

@BDW hi you will need a new sim,once you port a number your sim is dead 

[dust2dust · Accepted solution]

The old sim is dead. You'll need a new one.