Contact Converged Digital Networks

We strive to provide best-in-class service and support to each and every one of our valued client’s.  Our team of certified technicians are available 24-hours-a-day, 7 days a week to quickly diagnose issues, make programming changes and answer your questions.  Should you ever have a critical issue after hours you can count on Converged Digital Networks to provide Emergency support.

Customer Service & Technical Assistance

Phone: 630-390-3200

Email: service@dndc.com

Sales Inquiries
For more information and sales inquiries please email or contact us directly to speak with a Converged Digital Networks Sales Consultant.

Phone: 630-390-3200
Email: sales@dndc.com



Our Locations



Chicago
Converged Digital Networks
2051 Ogden Avenue
Downers Grove, IL 60515
Phone: 630-390-3200
Fax: 630-390-3100
Click for Directions


Peoria
DNDC of Illinois
6818 North Frostwood Pkwy.
Peoria, IL 61615
Phone: 309-689-8696
Fax: 309-689-8699
Click for Directions


Champaign
DNDC of Illinois
313 North Mattis, Ste. 116
Champaign, IL 61821
Phone: 217-351-6400
Fax: 217-351-5950

Click for Directions
Converged Digital Networks, LLC, Telephone Equipment & Systems Dealers, Downers Grove, IL

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