The DISN Customer Contact Center is available twenty four hours a day to assist DISN Customers with questions, escalations, or service issues.
DISN Customer Contact Center
(800) 554-DISN (3476)
(614) 692-4790
DSN (510) 376-3222
DSN (312) 850-4790
DCCC@csd.disa.mil
DCCC@cols.csd.disa.smil.mil
General DSN Inquiries
(703) 882-0306, DSN 381-0306
(703) 883-0440, DSN 381-0440
NS534-WEB@disa.mil
DSN Directory Changes
Contact phonedsn@disa.mil to include your organization in the directory, or
to notify us of any changes.
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