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Get connected to our cutting-edge fiber optic network and you’ll have the fastest Internet connection utilizing the best technology on the market today. With this enhanced high speed Internet service, we’ll run state-of-the-art fiber optic cables straight to your home to bring you:

  • The fastest, most reliable Internet speeds available – no dropped connections or slow speeds during peak times like Comcast or other providers.
  • Future proof technology – fulfilling today’s demand for high speed connections PLUS the advanced applications of tomorrow.
  • Higher resale value for your home – market research shows fiber technology in your home adds around $5000 to the purchase price.*

 Learn More Here

Packages & Price

We NOW OFFER new speed options with EQUAL UPLOAD & DOWNLOAD SPEEDS! 

Monthly rates start as low as $49.95!

Get up to 15% off when you bundle with phone service and calling features. 

Please note – all speeds are not offered in all GSC service areas. Call for coverage details.
Package Speed (download/upload)
FiberNet 25 25Mbps/25Mbps
FiberNet 100 100Mbps/100Mbps
FiberNet 200 200Mbps/200Mbps
FiberNet 1 Gig* 1 Gig/1 Gig
To sign up or learn more, call us at 603-529-9911!
* For residential usage. For info on 1 Gig service for business usage, please call.

Installation and Networking

When you sign up for high speed Internet service, a trained technician will perform the entire installation* leaving you with a fully-functional connection to the Internet. You’ll be ready to click and go with all the reliability and speed you need. If you sign up for service with a 12-month agreement, we’ll waive the $125 installation fee.

Looking to connect more than one computer? Ask about our Wireless Networking option.** We can connect up to 5 devices (desktops, laptops, tablets, smartphones, e-readers, and gaming consoles) for $128 (receive $25 off if you request this service at the time that your Internet is installed). We’ll establish security encryption settings on your router, and we can set up your printer and file sharing for connected computers and wireless devices. Rates for additional work are available upon request.

*Standard Professional Installation includes setup and configuration of one computer and router and verification of connectivity and speed. Professional Installation excludes installation of network interface cards, modems/routers not supplied by GSC, resolving software conflicts, firewall configuration, and connecting peripheral equipment. Rates available upon request if weekend, night, or holiday installation or repair work is needed.
**Wireless Networking Setup for multiple computers not available in all service areas and some restrictions apply. Call to check availability.

System Requirements

To optimize your FiberNet Internet experience, your computer will need to meet the minimum system requirements:

PC :
  • Windows 7/Windows 8/Windows 10
  • Processor of 1.2ghz or better
  • 1GB RAM or higher
  • Ethernet Card/Wireless Adapter
  • OS 10.4 or higher
  • Processor of 1.2ghz or better
  • 1GB RAM or higher
  • Ethernet Card/Wireless Adapter

We strongly recommend antivirus and firewall software to protect your computer. Please contact our Customer Service Department for more information.


FiberNet offers you simply the best in fiber-optic Internet all the way to your door.

Plus Each Account Includes:
  • Top-Rated, Local Customer Service and 24/7 Technical Support. We’re reliable neighbors with reliable service and support. Call us anytime.
  • MyGSC –your online resource for managing your account, technical support, even sharing Granite State community news and info. Use myGSC to access your myAccount Tool – a quick and easy way to manage your Internet account settings and add email accounts via the web.
  • Up to 5 email accounts with 15GB of storage per mailbox
  • Powerful spam and virus protection.
  • Webmail to easily access your email from any computer or device with an Internet connection — plus free access to an entire suite of online tools including Calendars, Task Lists, and Document Sharing tools!
Optional Services Include:


FiberNet provides many benefits…
  • Fiber is faster – It provides the fastest Internet connection speeds with virtually unlimited bandwidth capability. It accommodates today’s increasing demand for faster Internet connections as well as the advanced applications of tomorrow.
  • Fiber offers the greatest reliability and quality – Fiber is the best at handling shock and vibration in bad weather. Plus, no dropped connections or losing speed at peak hours like the cable company. No dropped calls or static to disrupt phone conversations.
  • Fiber offers future flexibility – With fiber, our ability to keep expanding your bandwidth capabilities into the future is almost unlimited. While other providers struggle to squeeze higher speeds out of their technologies, FiberNet can easily grow to meet your needs, and we’ll have flexibility to deliver additional services such as video, TV and more in the years to come.

Plus, unlike the cable company, we give you speeds you can count on every time you connect!

  • NO slow-downs at peak hours.
  • NO shared connection with neighbors surfing the Web.
  • NO shared connection with neighbors watching high-definitions TVs.
FiberNet FAQs