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

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


First Area in Belle River is Fibre Ready

Tuesday 11th of June 2019 10:05 AM

Hwy 22, Rourke Line, Oakwood, Westwood, Lakewood, Whitewood, Bayberry, Rue Labbe, Beachwood, Driftwood, Foxwood, Birchwood, Elmwood, Cherrywood, Walnut, Greenwood, Ashwood, Redwood, Southwood, Willowwood, Maplewood, Diesbourg, Marie, Trotter, Charron, W. Belle River, St. Pierre, and Park Lane are now Fibre ready.

New Areas Along Lesperance

Thursday 6th of June 2019 10:02 AM

We just added some new homes to the stretch south along Lesperance. Some homes on Lesperance, Funaro, Roxanne, Meconi, Eugeni, St. Martin, Charlene, St. Agnes, Verdant, Candlewood, Vickery, Deslippe, St. Anne, Maisonneuve, Shawnee, Corbi, Gouin, Hebert are now Fibre ready.

Devonshire Heights is Completed

Wednesday 15th of May 2019 10:06 AM

Select homes on Riberdy, Walker, Turner, Byng, Bliss Woodward, Sydney, Seymour, Foster, St. Christopher, Chaviva, Lappan, Calderwood, Melinda Ct., Melinda Ave, Trailwood, Ledyard, Airport and Moxlay are Fibre ready.

More Fibre Around Little River and McHugh

Monday 13th of May 2019 10:34 AM

Select homes on Firgrove, Questa, Chateau, Trappers, Luxury. Sturgeon, Stonescape, Snowcrest, Shamrock, Scenic, Katella, Venetian, Morningstar, Mancroft, Harrogate, Clover, Magnolia, Peppervine, Inverness, Monticello, Little River, Pearson, Frederica, Ivanhill, Thunderbay, Beverly Glen, Florence, Nightfall, Bridalfalls, Cypress, Aspenshore, Tivoli and Indigo are Fibre ready.

A Little of East Riverside Now Has Fibre

Wednesday 1st of May 2019 10:41 AM

Mancroft, Morningstar, Clover, Firgrove, Venetian, Katella, Luxury, Chateau, Scenic, Shamrock, Snowcrest, Stonescape, Sturgeon, Trappers, Chateau and Questa are now MNSi Fibre ready.


Support Articles


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