703 Phone Area Code - Area codes 202 and 771 are North American Numbering Plan (NANP) phone numbers for Washington, DC.
The 202 area code was one of the first NANP area codes established in October 1947 by AT&T. After the State of New Jersey with area code 201, the District of Columbia is the second largest area code (NPA). The NPA which includes the condition of the tires receives a number with the second digit being "0".
703 Phone Area Code
The 771 area code was added as a second number to the area code plan in April 2021 to make it full service.
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Since the creation of the North American Numbering Plan (NANP) in 1947, most Washington metropolitan area inner rings have been local telephone numbers, the Washington Metropolitan Exchange Area (WMEA). This is despite the fact that WMEA is divided into three numerical plans (NPAs): Districts 202, 301 in Southern Maryland and 703 in Northern Virginia. From the 1950s to the 1990s, it was possible to make local calls on WMEA with only a sev number. Tire WMEA is reached by long-distance service by dialing in area 202, for which purpose AT&T Long Lines has established a cross-station operator to transmit the code to all ctral offices. This strategy is achieved through a central office code protection system, where the central office in our number plan will not duplicate any office central prefix for one of the three area codes in WMEA.
If the 1-202-574 number is used in the District, the 1-703-574 or 1-301-574 number can only be forwarded to secure areas outside the metropolitan area, such as western Virginia or the Eastern Shore of Maryland. Conversely, if a 1-703-552 number is used in Northern Virginia or 1-301-552 suburban Maryland, a 1-202-552 number cannot be used in the District.
By the spring of 1990, C&P Telephone (then part of Bell Atlantic and now Verizon), the Regional Business Office for the Region, informed the North American Numbering Plan Administrator (NANPA) that the last portable central office in the area would be available in the second half of the year. Only the prefix could not be sent without breaking the seven-digit dial in the area, causing C&P to bypass the central office's code protection scheme to enable the message. before adding to use. This change was implemented during the call authorization period from April 1, 1990, to October 1, 1990, during which all calls to home-NPA (HNPA) in the village held a sev number; all HNPA direct dial numbers, must contain digits 1 and t; Foreign-NPA local calls (FNPA) are made with only t numbers; FNPA direct calls require dialing numbers 1 and t. Support staff can all be called 0 and t numbers.
D ctral office code protection was designed to allow codes to be broadcast in the Washington area that could not be broadcast in the previous system. However, it did not provide enough aid to meet the needs of both sides of the Potomac River. By 1990, Chesapeake and Maryland's Potomac Telephone Company realized that 301 was on the brink of exhaustion with the central office code protection concept. It was moved to the 410 area code for most of Maryland from the east Baltimore area, beginning on October 5, 1991.
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In Virginia, the delay lasted six years, until 1996, when the 540 area code was installed west of the old 703 area; Permission to call on January 27, 1996.
The continued growth of the area in the 1990s eventually resulted in the two suburban codes overlapping, with area code 240 overlapping 301 in 1997, and area code 571 overlapping 703 in 2000.
A few years after the introduction of cell phone numbers, many cell phone users in the Virginia and Maryland sections of the phone had 202 numbers.
With 202 facing exhaustion by the end of 2022, the North American Numbering Plan Administrator announced in October 2020 that the 771 area code would be added to the District of Columbia area code. The District of Columbia Service Commission has approved plans to participate in the new regional authority for 13 months.
Area Code: What You Need To Know
202 has become one of the few metropolitan areas without an overlap, making Washington one of the largest metropolitan areas where seven-digit dialing is still possible.
The previous announcement started with the period of authorized calls from April 10, 2021 to October 9, 2021, where the t number of the 202 number is optional.
The first central office code assignment for 771 takes place on November 8, 2021 for central office code 777,
Even with the use of t-numbers in the Washington metro area, most of Washington is a toll-free area,
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