National Sales and Support Offices
Granite Telecommunications was founded in 2002 and is headquartered in Quincy, Massachusetts. In eight years, Granite Telecommunications has grown into a 950,000 line phone company with more than 9,100 customers with national sales and support offices.
Headquarters
100 Newport Avenue Extension
Quincy, MA 02171
617-933-5500 phone
617-328-0312 fax
Directions
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4501 Circle 75 Parkway
Suite F-6110
Atlanta, GA 30339
888-984-0055 x200
Directions
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3020 High Ridge Road
Suite 555
Boynton Beach, FL 33426
561-533-8000 phone
561-202-0837 fax
Directions
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35 D Lark Industrial Parkway
Greenville, RI 02828
401-949-3843 phone
491-949-4582 fax
Directions
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920 Broadway
Suite 503
New York, NY 10010
212-674-7927 phone
212-674-6754 fax
Directions