Ontario High Speed Internet Provider Share: Telecommunications Ontario High Speed Internet Provider Visit Website Request Info 86 Clayton Cres. Bowmanville, ON L1C 4N9 1-888-203-3537 Hours: 24/7 About Map About Ontario High Speed is a rural high speed internet service provider. We founded to provide an alternative to dialup as well as slow, expensive high latency cellular solutions. What's Nearby? Distance: 5 10 15 20 25 50 km.