To obtain a price quotation or if you have any sales questions between the hours of 8:15 am – 5:00 pm CST, please call the following telephone numbers.

A LIVE OPERATOR will answer and direct your call to the appropriate NTI representative.

For immediate assistance please call us at:

(214) 352-5000 – Dallas

(817) 222-2400 – Ft. Worth

(972) 402-9200 – Collin & Denton County

Please feel free to contact our Help Desk at the following numbers between the hours of 8:15 am – 5:00 pm CST for immediate assistance.


If you would prefer to email a question or request, please use the form below (*=Required field).

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Dallas - HQ

National Telesystems, Inc.
10525 Newkirk, Suite 220
Dallas, TX 75220

Fort Worth

National Telesystems, Inc.
209 W 2nd St., Suite 315
Fort Worth, TX 76102

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