Did you check the contract to see if porting your number meant canceling your contract? If it didn't mention it, then you take them to small claims court, then

Did you check the contract to see if porting your number meant canceling your contract? If it didn't mention it, then you take them to small claims court, then when they don't pay after they don't show up, you go back to court and get a writ of execution to perform a till tap at an AT&T store.