ISDN-Net
Contact Us
Technical Support
Client Care
Sales
Technical Inquiries:
(615) 221-4200 Nashville
(865) 673-4451 Knoxville
(901) 869-8000 Memphis
(888) 554-ISDN (4736) Toll Free
(615) 912-6921 After hours pager
(615) 272-0480 Admin pager
E-mail: noc@isdn.net

Our regular technical support hours:
7 AM -7 PM (CST) Monday-Friday
9 AM - 4 PM (CST) Saturday
After hours technical support:
Please call (615) 221-4200 and follow the prompts for support
24 hours a day, 7 days a week.
Billing Inquiries:

(615) 221-4200 Nashville
(865) 673-4451 Knoxville
(901) 869-8000 Memphis
(888) 554-ISDN (4736) Toll Free
E-mail: accounting@isdn.net
Our billing inquiry hours:
8 AM - 5 PM (CST) Monday-Friday


Corporate Office/Mailing Address:

ISDN-Net
3200 West End Ave, Suite 100
Nashville, TN 37203


Corporate phone: (615) 221-4200
Corporate fax: (615) 221-0119
Sales and Ordering Inquiries:
(615) 221-4200 Nashville
(865) 673-4451 Knoxville
(901) 869-8000 Memphis
(888) 554-ISDN (4736) Toll Free
E-mail: sales@isdn.net

Our sales and ordering hours:
8 AM - 5 PM (CST) Monday-Friday