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

MNSi Finally Coming to Belle River

Friday 31st of May 2024 11:28 AM

Free Preview of National Geographic WILD throughout June

Monday 20th of May 2024 10:49 AM

MNSi TV customers can enjoy a FREE preview of National Geographic WILD (channel 824) from June 1st to June 30th, 2024.

MNSi Telecom Services Will Be Available in Belle River Soon

Thursday 18th of April 2024 11:29 AM

After overcoming various challenges, MNSi Telecom is now in the final stages of activating service in the Belle River area, east of the Belle River.

Internet Trends of 2023

Monday 8th of January 2024 11:59 AM

Watching videos, TV shows, and movies now ranks third among internet users' primary reasons for using the internet, with streaming services like Netflix and YouTube capturing a significant share of online time.

MNSi Receives Web Award of Excellence For Fourth Year

Tuesday 9th of February 2021 09:31 AM

Today, MNSi Telecom was awarded a 2021 Canadian Web Award of Excellence - one of only two websites in the Windsor area to receive the recognition at the start of the year.

Support Articles

Avoid Resetting Your Router During an Outage

Friday 31st of May 2024 11:43 AM

To help minimize downtime and avoid unnecessary complications during outages, we kindly remind you not to factory reset your routers during an outage or drop in service. There is a better solution.

What is Spoofing and Phishing?

Sunday 31st of March 2024 11:13 AM

In today's interconnected world, cybercriminals are employing increasingly sophisticated tactics to trick unsuspecting individuals into revealing sensitive information. Two of the most prevalent techniques are spoofing and phishing.

Sophisticated Vishing (Voice Phishing) On the Rise

Thursday 3rd of August 2023 02:55 PM

Vishing is a type of social engineering technique that leverages voice communication technology.

Phishing and Malicious Email and Websites

Wednesday 2nd of August 2023 11:24 AM

Increase of sophisticated phishing and malicious emails and websites.

TV Channels missing? Let's fix that!

Friday 31st of January 2020 09:30 AM

Guide to show missing channels.

Make a complaint

Your views are important to us and we value your feedback. We will act on that feedback, whenever possible, to help improve our services or efficiency and focus on the needs of customers like you.

If you feel our support or services do not meet your expectations, you can make a complaint

MNSi services are subject to our Internet Access Agreement and other policies. Please review our Documents & Polices for details.