예스코 고객센터 및 전화번호 Yesco customer center and phone number
Yesco’s customer service phone number was changed to 1544-3131 from January 30, 2009 following the introduction of the ARS system. 예스코 고객센터 For gas-related inquiries, new residents, gas odor leak reports, etc., please conveniently call 1544-3131 regardless of the customer service center in your jurisdiction. If you know the payer number (10 digits) displayed at … Read more