• CornerStone Telephone Company

    • Telecommunications Equipment & Services
    2 Third Street, Suite 303
    Troy, NY 12180
    (866) 240-1912
    (845) 559-0505
    (845) 559-0095 (fax)
    • About

      Telecommunications and cloud services provider for business customers.

    • Whom to Contact

      • Kate Dietrich
        Account Consultant
        2 Third Street, Suite 303
        Troy, NY 12180
        Phone: (866) 240-1912
        Fax: (845) 559-0095
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