How much does it cost to change my ATT cell phone number? Also, can I do it at a local store?

I used to work for as a resale agent for ATT and where I was working it was free the first time and somewhere between $30-50 everytime after thatHow much does it cost to change my ATT cell phone number? Also, can I do it at a local store?
Yup, I think you could even get it done by talking to a customer rep. And it shouldn't cost anything... re-new your contract maybe... :)How much does it cost to change my ATT cell phone number? Also, can I do it at a local store?
Its free...
Its $35.00