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Advanced TelCom Group, Inc. - a leading provider of telecommunications services such as local and long distance calling as well as data communication services.
Company Address
19 Old Courthouse Square
Santa Rosa, CA 95404
Phone: (707) 285-4000
Fax: (707) 285-4096
Website: http://www.callatg.com Company Information
Est. Revenue: $60 Million
Employees: 450
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