Contact Us


Service Hours

Normal Service and Requests: The Technical Assistance Center is staffed from 8:00 AM to 5:00 PM Monday through Friday.

After Hours Service (emergencies only): On-call service technicians are available 24 Hours a day, seven days a week including holidays.

To request emergency support call the Main Service Number at +1 630.616.4200 and follow the voice prompts to page an on-call Technician.

Mailing Address:
Telcom Innovations Group (TIG)
125 N. Prospect Avenue
Itasca, IL 60143

TAC Main Number: (630) 616-4200

Sales Inquiries: (630) 350-0700

Service E-Mail:

Fax: (630) 350-0711

Offices in Illinois, Florida, Tennessee & Wisconsin

Contact Us

P: +1 630.350.0700
F: +1 630.350.0711

125 North Prospect Avenue
Itasca, IL 60143