How much does it cost to get your Phone number changed with sprint?

I did something pretty stupid and now I have to get my phone number changed, anyone have a clue how much it costs to get a new number with sprint??? I%26#039;d call but the wait is 25 minutes.|||It is free. Customers are eligible to change phone numbers 3 times per line, within a billing cycle. To change your phone number, call customer support at 1-800-SPRINT1.|||i think nothing at all.|||somewhere between free and 40 bucks