04424151300, 04424216000, 04424216100, 04424222000, 04424232000, 04424232086 Dc Enerji Sistemleri Uzmanlığı Denetim Birimi
04422336955, 04422337497, 04422342615, 04422342920, 04422347995, 04422350412 Doğu Network Operasyon Müdürlüğü
04422906048, 04423270047, 04423270107, 04423270213, 04423270555, 04423272510 Enerji ve Soğutma Sistemleri Müdürlüğü
04422336955, 04422337497, 04422342615, 04422342920, 04422347995, 04422350412 Ttnet Şebeke İnternet Dial-Up Data Servisi