Our ultra-fast fiber optic network transmits data at the speed of light and brings you the fastest internet speeds available.

GSC Internet offers symmetrical speeds up to 1 Gig. With equal upload & download speeds you can send data just as fast as you can receive it. If you’re a gamer, streamer or working from home, this makes all the difference.

Plus, with GSC you’ll enjoy local Customer Service and 24/7 Technical Support. When you call a real person answers our phones.

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With GSC Internet you’ll enjoy:

  • Virtually unlimited data capacity with Fiber to the Premises (FTTP) technology
  • Dedicated connection – with our all-fiber network we connect fiber directly to your home or business
  • No annoying buffering or internet slowdowns during peak usage times
  • Unmatched reliability – fiber is less susceptible to corrosion or power surges from lightning and other sources
  • Future flexibility – FTTP offers the flexibility to meet capacity hundreds of times higher than what current needs are
  • Adds value to your home and community – fiber can increase a home’s value by 3.1%. That’s equal to an additional $9,000 on a $300,000 home according to a study



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.
  • 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:

  • Additional email storage space - $1.00 per megabyte per month
Equipment Options


  • Wireless GSC Router rental with repair/replacement protection for any rental router found to be defective.
  • Free premises visits by a technician in the event of Internet connection trouble1
  • Tech Home Web Security with anti-virus, anti-theft & more for 1 desktop and 1 mobile device
  • 50GB Cloud Storage & Backup to keep your memories and files safe
  • Convenient Password Manager for data protection and password security

GSC Wi-Fi Plus

  • The same benefits of GSC Wi-Fi with added protection for up to 4 Devices (Desktop & Mobile) and increased Cloud Store (250GB)

Battery Backup Service Plan2

1 Basic troubleshooting by phone with our tech support team may be required to determine when a technician needs to be dispatched.

2 Fiber packages only

Installation & Networking

Our standard professional installation includes setup and configuration of one computer and router and verification of connectivity and speed. 1 For new fiber internet service, learn more about what to expect

Looking to connect more than one computer? With our Networking option2 our technician will connect up to 5 devices for you (desktops, laptops, tablets, smartphones, printers, 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.

1 Standard 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.

2 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 internet experience, your computer will need to meet the minimum system requirements:


  • Windows 10 or newer
  • 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.

  • Customer Care was very professional and answered all my questions. The technician performing the install did a great job. The whole process was fast, easy, and the Internet works great!

    Brian L.
    Hillsborough, NH
  • The quick turnaround time for service requests is the best!

    Deanna M.
    Weare, NH
  • Each and every time I have to communicate with Customer Service it has been hands down the best experience!

    Janet C.
    Washington, NH
  • After two years with another provider, we are just thrilled with our fast internet!

    Amy D.
    Chester, NH
  • I love my service, both the Internet and the customer service. My fiber Internet plan is lower than what I had with Comcast and yet the connection is much faster! It’s also refreshing to call the office and always get to speak to people who are friendly and helpful.

    Greg L.
    Sandown, NH
  • I like that they are a hometown company. They are my neighbors and actually care about me. Very good customer service. The best!

    Hillsborough, NH
  • I like the reliability and speed of my service and the great customer support.

    Jen R.
    Bow, NH
  • I’d like to share how impressed I was with the install process.  The technician arrived and walked me through how he planned to install the service and where.  After explaining the process and getting my feedback, he set right to work and within a couple of hours had everything installed and buttoned up.  He was professional, knowledgeable and thorough with his work.  Kudos for a job well done and for being a pro!

    Jeff W.
    Sandown, NH
  • The service is much better than Comcast! My favorite is calling the office and getting a person instead of a computer. Great Job!

    Kim W.
    Weare, NH
  • “…Your sales and customer service teams are staffed by exceptional people.  They are always positive and helpful to the max!  Granite State Communications is a shining example of how customers should be treated.”

    John A.
    Weare, NH
  • “I absolutely love my FiberNet service from GSC, and it’s just that much better that I could get away from Comcast and support a local business.”

    Ed K.
    Chester, NH
  • “Our phone and internet are working now (as long as we have our generator running). Thank you for providing superior service! Electricity and cable TV are still out, but now I can at least watch local news (casted from my computer to my TV via my AppleTV box).”

    Caroline M.
    Sandown, NH
  • “The customer reps for Granite State are great. They provide a small town feel to you. They make you feel valued as a customer, not just another subscriber.”

    Leon Z.
    Antrim, NH