Contact Us
Anytime
Sales
866-205-8928
Customer Service
866-847-5500
Partner Opportunities
877-884-5200
Corporate Office
866-847-1500
Corporate Fax
617-328-0312
Broadband Repair
888-375-3755
IW Vendor Partners
877-745-5183
National Sales and Support Offices
Granite Telecommunications was founded in 2002 and is headquartered in Quincy, Massachusetts. In ten years, Granite Telecommunications has grown into a 1.25 Million line phone company with more than 14,000 customers with national sales and support offices.
Headquarters
100 Newport Avenue Extension
Quincy, MA 02171
617.933.5500 (Phone)
617.328.0312 (Fax)
900 Circle 75 Parkway
Suite 225
Atlanta, GA 30339
888.984.0055 x1200
3020 High Ridge Road
Suite 555
Boynton Beach, FL 33426
561.533.8000 (Phone)
561.202.0837 (Fax)
35 D Lark Industrial Parkway
Greenville, RI 02828
401.949.3843 (Phone)
491.949.4582 (Fax)
920 Broadway
Suite 503
New York, NY 10010
212.674.7927 (Phone)
212.674.6754 (Fax)