03726231900, 03726232000, 03726232900, 03726233000, 03726233006 çaycuma Uz Denetim Intranet Sistemleri
03726000003, 03726150000, 03726150014, 03726150100, 03726150115, 03726150870 Zonguldak Telekom Müdürlüğü