Welcome to GTC Broadband

GTC Broadband has been serving the customers in the Granby and Diamond area for over 100 years. We are a local company that prides itself on hometown customer service. It is a very exciting time for GTC Broadband. We are currently in the early stages of our Fiber-to-the-Home project. It is thrilling for us to be able to offer such state-of-the-art services to our customers.

Learn more about our fiber-powered Internet

Check out a video that explains the benefits of our fiber-powered Internet with 100 M speed!

Fiber to the home information

GTC Broadband is installing fiber to the home (FTTH) in the communities we serve. FTTH offers very fast Internet service with speeds up to 100 MB! It's perfect for streaming movies, watching sports online or using multiple devices at one time. 


FTTH at your house
See if FTTH is available for you

FTTH Benefits & FAQs
Learn why FTTH is so important


Request FTTH service