TOLL-FREE: 1-800-355-9518

TOLL-FREE: 1-800-355-9518


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 9:00 AM - 5:00 PM PST (12:00 noon to 8:00 PM EST) for questions regarding rates, availability of service, technical issues, billing questions, special requests, or any other concerns you may have about our products and services.

Before contacting customer service, please read through our extensive FAQs to find answers to common questions.


Toll-free: 1-800-355-9518

Fax: 1-877-824-7019


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


Mailing Address:

1039 McNicoll Ave.
Toronto, Ontario
M1W 3W6, Canada

USA Address:

616 Corporate Way,
Valley Cottage,
NY 10989-2047

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