CDN: 1 855 323 4343     USA: 1 866 935 9218

CANADA: 1 855 323 4343

USA: 1 866 935 9218

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We're here 24/7 to help you out when you need it.

Contact G3 customer care

Our customer service is available Monday to Friday from 9:00 AM - 5:30 PM EST. Send an email, call us, or choose a service below:

Long distance service

Long Distance

Home phone service

Home Phone


In the USA:

Continental USA: 1-888-315-3050
All of USA including Hawaii: 1-866-935-9218

Fax: 1-877-824-7019

In Canada:

Toronto: (416) 499-2121
Vancouver: (604) 484-5923
Other: (647) 957-6571
Toll Free: 1-855-323-G3G3 (4343)

Fax: (416) 492-8135

Support and Inquiry

We always strive to respond within one business day after receiving your general, account, or service inquiries.

Submit a Ticket


Mailing Address:

675 Cochrane Drive,
East Tower, 6th Floor
Markham, ON L3R 0B8

USA Address:

3 Germay Dr, Ste 4 - 4084
DE 19804

See what people are saying about us

Don't just take our word for it, let our customers do the talking!

Actual Google users talking about our long distance, global roaming SIM card, home phone service, plans and pricing.


"I use G3 Telecom for my USA phone - always get good service and and assistance, very easy to manage my account, and low prices; like to keep my US number year round, easy to do with 6 monthly renewal; thank you G3 Telecom"


"I am using g3 telecom long distance service since past 8 years. It's excellent. I use it from my home phone, cell phone and from any phone anywhere from U.S. and Canada. Connection is fast efficient and good sound quality. Operator service also competent and courteous."


"I have used G3 for 2 years now and find them great. I have used the service in the UK, France, Belgium, Spain, Germany and the USA, and of course at home in Canada with never a problem. I have always found the customer service to be excellent, and will on my return from Arizona be switching my home phone to G3 from Shaw."

For over 10 years, we have been providing quality service to satisfied customers. We're accredited with the Better Business Bureau where we work hard to maintain an A+ rating.

Better Business Bureau accredited business