Dear P'Noi,
Sorry for late reply.
In case of transfer mobile number from coporate to personal, we need a copy ID card of user for prepare the document to AIS.
So could you please sent a copy ID card to us and we take time to prepare the document about 2 days after that we will sent the document to you by company's van.
Sorry for the inconvenience.
Issaraporn (Ke)