Contact Us
24 x 7 x 365 Customer Support
Emergency assistance: Please call our office immediately at 443-577-2224. Do not use the ‘Online Service Request’ form.
Non-emergency support: Click here to submit your Online Service Request.
Sales & General Inquiries
CTS makes it easy for you to visit our headquarters in Millersville, Maryland. Below you’ll find directions for reaching our location by car from Baltimore or Annapolis as well as our contact information.
(410) 850-4848 Baltimore
(301) 621-1213 DC
(800) 787-4848 Toll Free
EMAIL click here
(410) 850-0001 Fax
CTS (formerly Chesapeake Telephone Systems)
8225A Cloverleaf Drive
Millersville, MD 21108
Directions
For driving directions, click on the marker in the interactive map below.