719 KPN Tower, 3rd Fl., Rama IX Rd., Bangkapi, Huaykwang, Bangkok 10310

Telephone :    0-2717-1010 

                        Press 0   Operator

                        Press 1   Call Center

                        Press 2   Sales and Marketing

                        Press 3   Account and Finance

                        Press 4   Human Resources and Organization Development

                        Press 5   Feedbacks, Suggestions and Complaints

Hotline :         081-255-1107

Fax Line:        0-2717-1019

E-Mail :          info@ctc.co.th