─────── § 04. NPA RECORD · 516 · FOLIO 0318 OF 0801 ──────────────
516
United States NPA Record
Area code 516 was assigned in 1951 to Nassau and Suffolk Counties in New York, splitting from 914 to accommodate growing demand.
Area code 516 was assigned in 1951 to Nassau and Suffolk Counties in New York, splitting from 914 to accommodate growing demand.
IN SERVICEFirst record · 1951
§ 04.05Event Summary
other · 2permissive dialing · 2split · 2introduced · 1mandatory dialing · 1relief planned · 1
§ 04.06
Documentary Record · 12 events
CHRONOLOGICAL ORDER
1951-01-01
introduced
Area code 516 created for Nassau and Suffolk counties
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1951-01-01
split
NPA 516 split from 914 for Nassau and Suffolk
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1997-10-30
other
Extraordinary NPA-Specific Conservation Procedures for 516 NPA (New York)
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1999-07-22
other
Geographic Split of 516 (New York) Numbering Plan Area (NPA); addition of 631 NPA
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1999-11-01
split
NPA 631 split from 516 for Suffolk County
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2000-04-01
permissive dialing
Permissive dialing period for 631 begins
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2001-09-11
permissive dialing
Extended Permissive Dialing Ends for 516/631 NPAs (New York)
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2021-10-24
mandatory dialing
Mandatory ten-digit dialing implemented in area code 516
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2022-02-17
NPA 363 overlay on 516 announced
NPA 363 to Overlay NPA 516 (New York)
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2023-01-20
Area code 363 overlay introduced for 516
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2023-01-20
relief planned
NPA 363 announced as overlay for 516
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2023-04-01
NPA 363 overlays 516 in Nassau County
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