We’re here to serve you.
Contact us any time - over the phone or over the Web - all at your convenience.
Contact Us By Phone
Customer Service & Sales Inquiries:
Monday - Friday, 8 a.m. to 5 p.m.
Toll Free: 800-559-9900 (outside NH)
Phone Service: 603-529-9931
Internet Service: 888-896-7824
Web Hosting Service: 888-896-7826
SecureIT Software: 877-373-3320
FileHopper Software: 877-373-3320
Google Apps for Business Support: 866-431-2963
Visit Our Office:
Our Customer Service office is open Monday-Friday,
8 a.m. to 4:30p.m. Plus, our payment drop-off box is accessible 24/7.
We’re located at:
425 South Stark Highway
Correspondence & Shipping
Correspondence: PO Box 87, Weare, NH 03281
Shipping: 600 South Stark Highway, Weare, NH 03281
Contact Us By E-mail
Want to Learn More?Visit Our Customer Resource Section
Browse our support page for online help with a variety topics. From our FAQ tool to setup guides and other important tips, we offer a variety of resources to help you.
Sign up for our e-newsletter
Did you know?
Did you know?
GSC is one of more than 1300 independent telephone companies…
GSC started in 1877 as the Chester and Derry Telegraph Company…
GSC is a merger of what was once four separate telephone companies…
GSC is at the forefront of technology in the state…
Our voice and data traffic is carried over an ultra high-speed fiber network…
Our advanced high-speed Internet network offers connection speeds of up to 50Mbps…
Our next generation technology offers you an array of advanced call management services…
GSC has been offering Internet and Long Distance services for almost 15 years
In the year 2000 GSC became the first traditional telephone company in NH to offer High Speed Internet service