Phone Companies
- Rogers: 888-764-3771
- Bell Canada: 310-2355
- Distributel Communications: 905-427-5400
- Durham Telecom: 905-725-7772
- Freedom Phone Lines: 866-884-7464
- Primus Canada: 800-670-2266
- DT Reconnect: 877-230-1670
Cable/Satellite Companies
- Rogers Cable: 888-764-3771
- Bell Express VU: 888-759-3474
- Star Choice: 888-554-7827
Gas Companies
- Union Gas: 888-774-3111
- Enbridge Gas: 905-943-6944
- Direct Energy: 800-348-2999
Hydro Companies
- Ontario Power: 877-592-2555
- Oshawa Public Utilities: 905-723-4623
- Whitby Hydro: 905-668-5878
- Hydro One: 888-664-9376
- Veridian Corp.: 888-420-0070
Oil Companies
- Ultramar: 800-387-6231
- Union Oil: 905-623-7757
- Lambert Oil: 905-655-4801
- Harrison Fuels: 866-324-4328
- Alpha Oil: 905-725-1316
- Esso Home: 905-686-1855
- Keltin Fuels: 905-623-0107
Propane Companies
- Superior Propane: 877-873-7467
- Edpro Energy: 877-693-3776
- UPI Inc.: 800-567-2667
- Sparlings Propane: 888-780-7727
- Flamex Canada: 905-436-2015
- Discount Propane: 416-271-9807
Water Departments
- Region of Durham Water: 905-571-6611
- Ajax Water Department: 905-683-1471
- Clarington Water Department: 905-983-5116
Garbage/Recycling/Composting
- Whitby Works Department: 905-668-3437
- Oshawa Works Department: 905-433-1221
- Ajax Works Department: 905-683-2951
- Northumberland Works Department: 800-372-3329
Transportation
- GO Transit: 888-438-6646
- Oshawa Transit Commission: 905-579-2471
- Clarington Transit: 905-623-3379
- Ajax Taxi: 905-663-1511
- City-Wide Taxi Oshawa: 905-579-9393
- Blueline Taxi Services: 866-440-2006
- Whitby Transit: 905-668-3544
- Ajax/Pickering Transit Authority: 905-427-5710
- 407 ETR: 888-407-0407
- Circle Taxi Whitby: 905-668-8888
- Bowmanville Taxi: 905-623-4422
Schools
- Durham District School Board: 905-666-5500
- Durham Catholic District School Board: 905-576-6150
- Kawartha / Pineridge District School Board: 877-741-4577
- Durham College: 905-721-2000
- University of Ontario Institute of Technology: 905-721-8668
Hospitals
- Lakeridge Health Oshawa: 905-576-8711
- Lakeridge Health Bowmanville: 905-623-3331
- Lakeridge Health Whitby: 905-668-6831
- Lakeridge Health Port Perry: 905-985-7321
- Hospital for Sick Children: 416-813-1500
Police Emergency & Non-Emergency Services
- Police Emergency: 911
- Local Police - Oshawa/Whitby: 905-579-1520
- Local Police - Pickering/Ajax: 905-683-9100
- Ontario Provincial Police: 888-310-1122
- Durham Region Crime Stoppers: 905-436-8477
- Crime Stoppers Toll Free: 800-222-8477
- Durham Region Domestic Violence/Sexual Assault Centre: 905-668-3050
Ambulance Emergency & Non-Emergency Services
- Ambulance Emergency: 911
- Oshawa Ambulance: 905-723-8177
- St. Johns Ambulance Durham Branch: 905-434-7800
- Poison Control Centre: 800-268-9017
Fire Department Emergency & Non-Emergency Services
- Fire Department Emergency: 911
- Fire Department Ajax: 905-683-4481
- Fire Department Oshawa: 905-433-1238
- Fire Department Pickering: 905-839-9968
- Fire Deparment Scugog: 905-985-2384
- Fire Department Whitby: 905-668-3312
Crisis/Distress Services
- Crisis Intervention Team - Lakeridge Health Oshawa: 905-576-8711
- Crisis Mental Health Services: 800-742-1890
- Distress Centre Durham Region: 800-452-0688
- Bethesda House: 905-697-9472
- Denise House: 905-728-7311
- Durham Region Domestic Violence/Sexual Assault Centre: 905-668-3050