Does it cost money to hide my number in bell prepaid service?

Question

The bell office is closed(they close at 5 and it is 7) and i would like to make a call in a like 30 mins and i want to hide the number because i do not want them to call me on my cell phone because it cost money lol!! haha. BTW i have bell prepaid service because i don't make too many calls. HELP ASAP

Answer 1

dial *67 then the number and your phone number will be blocked for free

Answer 2

at least in spain, no.