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A 2021 NANP analysis of numbering resources projects exhaustion of NPA 516 during the second quarter of 2023. As a result, additional relief was expected. An overlay of 516 with a new area code was recommended, although a boundary-extension overlay was also considered which would have expanded area
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Despite Long Island's growth in both population and telephone service during the second half of the 20th century, this configuration remained for five decades. By the late 1990s, the proliferation of pagers and cell phones required further division to provide more telephone numbers for Long Island.
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code 934 (overlaying 631) to also overlay 516. In
January 2022, the new area code 363 was announced to overlay 516 on January 20, 2023.
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113:. In 1951, Nassau and Suffolk were designated as a separate numbering plan area (NPA) with area code 516.
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77:. Area code 516 was created in 1951, while area code 363 was added to the numbering plan area in 2023.
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239:"Transition to 10-digit dialing (for 988 as 3-digit access to National Suicide Prevention Hotline)"
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286:"Area Code 363 - Details, official location, official service date, history and time zone"
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109:. At the time, this area was largely coextensive with the New York state portion of the
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On
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Prior to
October 2021, area code 516 had telephone numbers assigned for the
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244:. North American Numbering Plan Administrator. January 8, 2021
144:. This area code was therefore scheduled to transition to
300:"New area code for Nassau County will be 363, state says"
40:: area codes 516 and 363 are highlighted in light brown.
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of 516 across Long Island continued until spring 2000.
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was designated nationwide as a dialing code for the
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Area code in Nassau County, New York, United States
188:"Nation-Wide Operator Toll Dialing—the Coming Way"
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167:List of North American Numbering Plan area codes
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89:(AT&T) established the first nationwide
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219:"Suffolk County Gears Up for 631 Area Code"
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69:. The numbering plan area (NPA) comprises
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263:2021 October NANPA Exhaust Projections
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138:National Suicide Prevention Lifeline
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557:This article about a location in
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217:Rather, John (October 31, 1999).
186:Mabbs, Ralph (Winter 1947–1948).
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328:NANPA area code map of New York
617:Area codes in the United States
612:Area codes in New York (state)
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121:, while Nassau retained 516.
59:North American Numbering Plan
565:. You can help Knowledge by
508:. You can help Knowledge by
97:in October 1947, Nassau and
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162:List of New York area codes
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111:New York metropolitan area
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91:telephone numbering plan
622:Nassau County, New York
559:Nassau County, New York
274:New York State document
192:Bell Telephone Magazine
45:Area codes 516 and 363
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148:by October 24, 2021.
95:Operator Toll Dialing
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18:Area code 516 and 363
101:counties, the lower
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142:seven-digit dialing
130:central office code
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307:. Retrieved
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309:January 24,
75:Long Island
606:Categories
173:References
63:U.S. state
55:area codes
502:area code
499:telephone
202:April 23,
85:When the
49:telephone
335:New York
248:March 9,
198:(4): 181
156:See also
67:New York
462:73°38′W
459:40°44′N
431:631/934
422:516/363
400:203/475
375:845/329
367:716/624
363:631/934
351:518/838
347:516/363
343:315/680
304:Newsday
99:Suffolk
81:History
57:in the
52:overlay
561:is a
504:is a
440:South
392:North
242:(PDF)
563:stub
506:stub
427:East
409:West
311:2022
250:2021
204:2022
93:for
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
