WELCOME to Cornerstone Communications …

Your Foundation for Global Communications


A truly local company with a global outreach...setting a foundation for Maine families and businesses to be connected to the World.

We seek to bring broadband and quality/inexpensive phone service to Central Maine, especially those towns less traveled by other ISPs or cable companies.

We are constantly expanding to new communities throughout central Maine, from Bangor to Monson, and Dexter to Lincoln, and over 30 towns in between. Cornerstone offers Residential and Business-Class DSL, High-Speed Internet, Phone Service, Point-to-Point Networking and more.

Check out our service offerings in a little more detail, or call 564-5000 today to find out how our friendly, home-town Maine staff can serve you.



  • Business-class phone service and internet packages designed for you. 

  • The latest in IP Phones and Hosted PBX
  • High Capacity service via T1, T3s, or bonded SHDSL.

  • Network Services.
  • Local Technical Support. 
  • Flexible plans to fit the needs of your business – small, or not so small.

    Call 564-5000 for a FREE audit of your current and future phone and internet needs. 



We'll help you choose the plan that best fits you!

  • Faster High Speed Internet.

  • Unlimited high-speed Internet connection.
  • Dedicated internet line to your home.
  • Your internet is always on.
  • Basic Package starts at 1.5 or 3Mbps download speed, depending on your location.

      Faster service up to 20Mbps and more available in most areas.

      Call our office at 564-5000 to find out about availability in your specific neighborhood.

      Ask about our competitive Phone and Internet packages, too.

      We make switching EASY.