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Granite State Communications
Reliable Neighbors
For over 140 years, we've served the needs of individuals and businesses in New Hampshire. We believe that our long-term success is due to our focus on providing outstanding customer service and supporting you with the latest technology. It’s part of our goal to be your reliable neighbor.
Today our data and voice services are carried over an ultra-high-speed fiber optic network that has the capability to transport virtually unlimited bandwidth. We currently have fiber optic Internet service with equal download and upload speeds available to over 90% of our service area.
Fast, Reliable Internet and Technology support for our neighbors
Granite State Communications is your local provider of communications solutions. But we’re so much more than that. We’re also a local employer and a local community supporter through sponsorships, donations, and volunteer hours.
When you choose us for your Internet and related services, you’re not only making your life easier. You’re making our whole community stronger. Thanks for your support!
We Support What We Sell
GSC is your reliable neighbor with local Customer Service and 24/7 Technical Support. If you have a problem, we’ll be there to fix it fast. When you call, a real person answers the phone!
Please check our Support page, which includes our searchable Knowledge Base tool.
Chester
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Service available to 100% of customers in Chester
Dunbarton
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Service available to 100% of customers in Dunbarton
Sandown
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Service available to 100% of customers in Sandown
Washington
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Service available to 100% of customers in Washington
Weare
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Service available to 100% of customers in Weare
Windsor
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Service available to 100% of customers in Windsor
Auburn
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GSC serves a portion of Auburn
Danville
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GSC serves a portion of Danville
Deering
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GSC serves a portion of Deering
Derry
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GSC serves a portion of Derry
Fremont
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GSC serves a portion of Fremont
Goffstown
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GSC serves a portion of Goffstown
Hampstead
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GSC serves a portion of Hampstead
Hillsboro
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GSC serves a portion of Hillsboro
Hopkinton
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GSC serves a portion of Hopkinton
New Boston
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GSC serves a portion of New Boston
Stoddard
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GSC serves a portion of Stoddard
