For Hydro One Telecom product or service information, billing inquiries and general information, please contact the Hydro One Telecom Inc. Hotline at 1-866-345-6820 from 8am to 5pm, Monday to Friday.

For Hydro One Telecom customers experiencing issues with:
-   Transparent LAN
-    Internet Transit
-    Private Line Services
-    Managed Network Services
-    Towers
-    Dark Fibre
Contact our Network Operations Centre at 1-866-468-6688 at any time.

NOTE: For power related enquires (billing, service cancellation/turnup etc) please call the Hydro One Call Center at 1-888-664-9376