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What are some phone numbers that work or numbers that work on un registered phones?

What are some phone numbers that work or numbers that work on un registered phones i have one and i know 411 and 911 and 000 and *#06*# and i need help because my friend doest believe that any of these work and i have a Phone with an M on it its a flip cellphone it may seem weird but i need help. Thanks :)

Public Comments

1. 611 will also call the cell phone provider.