[1] Since 1994, the area code has provided access for authorized personnel to the Government Emergency Telecommunications Service (GETS) in the United States, and the Canadian local exchange carriers, and cellular/PCS networks.
Dialing prefixes of the form N10, where N is any digit from 2 to 9, were not initially assigned in the nationwide numbering plan which was designed in the post-World War II era, and announced in October 1947.
[4] It provides alternate carrier routing, high probability of completion, trunk queuing and exemptions from network management controls.
Upon dialing this telephone number, a beep prompts the caller to enter the access code.
As of December 2006, the area code had only one known working telephone number, 710-627-4387 (710-NCS-GETS) for the Government Emergency Telecommunications Service (GETS) in the National Communications System (NCS).