Search results
Results from the WOW.Com Content Network
The DSN Switching Subsystem consists of multifunction, stand-alone tandem, end office, and remote switching units. Using the transmission, timing, and control elements of the DISN, they interconnect all military locations worldwide and provide end-to-end long-distance common user and dedicated voice, secure voice, data, and video services ...
Numbering plan areas and area codes of Texas (tan). This is a list of area codes in the U.S. state of Texas. The date of establishment of each area code is indicated in parentheses: [1] 210: San Antonio area; overlays with 726 (November 1, 1992) 214: Dallas area, overlays with 469, 972, and 945 (October 1947)
Area codes 214, 469, 972, and 945 are telephone area codes in the North American Numbering Plan (NANP) for Dallas, Texas and most of the eastern portion of the Dallas–Fort Worth metroplex The area codes are assigned in an overlay complex to a single numbering plan area that was the core of one of the original area codes of 1947, area code 214.
The history of Autovon and DSN (1992) Aerial view of a repeater hut with buried cable route visible from SW to NW, Google Maps. AUTOVON switch locations in CONUS, mid-1970s; Use of pre-emption - VOICE PRECEDENCE SYSTEM CHART - Global Autovon Telephone Directory 1971; AUTOVON; AUTOmatic VOice Network (AUTOVON) instructions
851 reserved as a third area code for the region. 903: Texas (Tyler, Sherman, Longview, Marshall, Palestine, Jacksonville, Carthage, and Northeast Texas) November 4, 1990: prior to October 18, 1980, the area code served Tijuana, Mexico, and adjacent areas bordering the United States; split of 214; 2003: overlaid by 430; 904
On January 16, 1999, the 713/281 boundary was removed, creating an overlay for the combined area, while simultaneously adding a third area code to the entire region, 832. As a result, ten-digit dialing became required for all calls in the Houston area. On May 9, 2013, the Public Utility Commission of Texas (PUC) announced the addition of yet ...
69th Air Defense Artillery Brigade, Fort Cavazos, TX 108th Air Defense Artillery Brigade , Fort Liberty, NC Air Traffic Services Command Fort Novosel , AL - In October 1994 the United States Army Aviation Centre asked the United States Army Force Integration Support Agency to review the U.S. Army Air Traffic Control Activity. [ 8 ]
For example, the Fort Knox Army base in Kentucky is served by area code 502, but its local calling area includes cities that are served by the 270/364 overlay complex. As a result, Fort Knox imposed ten-digit dialing for all off-base numbers when the 270/364 overlay was established in 2014. [5] Area codes (in blue) affected in the lower 48 states.