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Sales and Demo Office
Converged Communication Systems, LLC - Headquarters
2930 Central Street
Evanston, IL 60201

Support Office:
Converged Communication Systems, LLC
2930 Central Street
Evanston, IL 60201

Network Operations Center
1732 Central Street
Evanston, IL 60201

Sales, Billing, & Support Hotline: 877-598-3999
Main Fax: 877-329-0227

Important Email Addresses:

General Sales Inquiries: sales@convergedsystems.com

General Support Inquiries: Support@ConvergedSystems.com

Job Inquiries: HR@convergedsystems.com

  • Support documentation
  • Open tickets
  • Programming Support
  • Resource Scheduling
  • Vendor Support

Billing Inquiries billing@convergedsystems.com

Career Inquiries careers@convergedsystems.com

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2930 Central Street
Evanston, Illinois 60201

Phone: (877) 598-3999

Nationwide Network
Operations Center
Evanston, Illinois 60201

For our IT / Managed Services Division Visit: www.StratosphereNetworks.com

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Minnesota Location: Minneapolis, Minnesota 55435
Minnetonka, Minnesota, 55305
St. Paul, Minnesota, 55101

Wisconsin Location: Milwaukee, Wisconsin 53202

New York Location: New York, New York 10038
Manhattan, New York, 10005

Florida Location: Fort Lauderdale, Florida 33309
Miami, Florida, 33131

Los Angeles Location: Lake Forest, California 92630
Westlake Village, California, 91361

Santa Barbara Location: Santa Barbara, California 93101
Michigan Location: Grand Rapids, Michigan 49503

San Francisco Location: San Francisco, California 94105

Texas Location: Dallas, Texas 75243

Ohio Location: Columbus, Ohio 43219

Indiana Location: Indianapolis, Indiana 46240

Iowa Location: Des Moines, Iowa 50266

Missouri Location: St. Louis, Missouri 63005
Seattle Location: Seatac, Washington 98148

Detroit Location: Romulus, Michigan 48174

Illinois, Northbrook Northbrook, Illinois, 60062

Illinois, Rosemont Rosemont, Illinois, 60018

Illinois, Schaumburg Schaumburg, Illinois, 60173

Illinois, Chicago Chicago, Illinois, 60611
Chicago, Illinois, 60661

Illinois, Oak Brook Oak Brook, Illinois, 60523