2
Department of Defense
INSTRUCTION
NUMBER 4640.07
September 24, 2009
Incorporating Change 2, August 10, 2012
DA&M
SUBJECT: Telecommunications Services in the National Capital Region (NCR)
References: See Enclosure 1
1. PURPOSE. This Instruction:
a. Reissues DoD Directive (DoDD) 4640.7 (Reference (a)) as a DoD Instruction and
incorporates and cancels DoD Instruction (DoDI) 5335.1 (Reference (b)) in accordance with the
authority in DoDD 5105.53 (Reference (c)).
b. Cancels DoD 4640.7-D (Reference (d)) and transfers authority for the DoD Directory
(Reference (e)) to the Secretary of the Army.
c. Updates policy, assigns responsibilities, and describes procedures governing
telecommunications services support, including support to networks and information integration
(NII) activities in the NCR.
d. Provides equipment and usage guidelines designed to affect economies of
telecommunications services in the NCR.
e. Provides guidance on utilization of telecommunications services to DoD users in the NCR
and serves as a guide to DoD telephone directory listings.
2. APPLICABILITY. This Instruction applies to OSD, the Military Departments, the Office of
the Chairman of the Joint Chiefs of Staff and the Joint Staff, the Combatant Commands, the
Office of the Inspector General of the Department of Defense, the Defense Agencies, the DoD
Field Activities, and all other organizational entities in the Department of Defense (hereafter
referred to collectively as the “DoD Components”).
3. DEFINITIONS. See Glossary.
