519-258-2333 · 1-888-310-6674

MNSi Support

Allow our professional and courteous staff to help you!

Customer Service


If you have questions about billing or payments, our customer service staff is waiting to help you during normal business hours. When calling for customer service press option 1.

Monday to Friday 8:00 AM to 6:00 PM
Saturday 9:00 AM to 5:00 PM
Sunday Closed
Chatham: 519-436-1199
London: 519-433-4811
Sarnia: 519-344-2237
Windsor: 519-258-2333
Toll Free: 1-888-310-6674
Business Sales: 519-985-8415
Customer Service: accounts@mnsi.net
Business Sales: sales@mnsi.net
Billing Information and FAQ

Technical Support


If you are having issues with your service or you have a question of a technical nature our technical support staff is waiting to help you 24/7. When calling for tech support press option 2.

Chatham: 519-436-1199
London: 519-433-4811
Sarnia: 519-344-2237
Windsor: 519-258-2333
Toll Free: 1-888-310-6674
Business Sales: 519-985-8415
E-mail: support@mnsi.net
Knowledge Base & FAQ

Speed Test

If you need to check your connection speed you can use:

Test your Internet connection speed at Speedtest.net

Underground Fibre Construction

For information about MNSi's underground fibre construction click here

MNSi News


More Fibre News In Lakeshore

Tuesday 9th of January 2018 09:59 AM

More news for residents in Lakeshore along the Old Tecumseh Road area east of Patillo Rd. Homes on Marentette Dr., Wintermute Ave., Martindale Ln., Pierella Dr., Plant Dr. and Remo Cresc. are now Fibre ready.

MNSi Receives Canadian Web Award of Excellence

Tuesday 2nd of January 2018 03:14 PM

Today, MNSi Telecom was awarded a 2018 Canadian Web Award of Excellence. The Excellent award is the highest rating possible by the organization.

Another Lakeshore Area Is Now Fibre Ready

Wednesday 20th of December 2017 09:18 AM

Another part of Lakeshore by Old Tecumseh Road is now Fibre ready. Homes on Marentette Dr., Wintermute Ave., Martindale Ln., Pierella Dr., Plant Dr. and Remo Cresc. are finished.

Even More of Roseland Gets Fibre

Thursday 14th of December 2017 02:14 PM

More Fibre News Today! We've just completed work on a big part of Roseland. The neighbourhood south of Cabana from the east side of Mount Royal to Dougall, along Longfellow, Casgrain, Bartlet, Mansfield, Neal, Kennedy, Downey, McCrae, Darcy, McGregor and Dougall Square can now order Fibre services.

Gates of Gengarda Gets Fibre

Thursday 14th of December 2017 02:00 PM

Another Fibre announcement. Fibre services are now available at Gates of Glengarda, East and West Buildings (4955 to 5055 Riverside Drive East).


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