─────── § 04. NPA RECORD · 336 · FOLIO 0138 OF 0801 ──────────────
336
United States NPA Record
Area code created in 1997 from the western portion of the original 910 area, serving the Piedmont Triad region of North Carolina.
Area code created in 1997 from the western portion of the original 910 area, serving the Piedmont Triad region of North Carolina.
IN SERVICEFirst record · 1997
§ 04.05Event Summary
mandatory dialing · 1permissive dialing · 1relief planned · 1split · 1
§ 04.06
Documentary Record · 7 events
CHRONOLOGICAL ORDER
1997-12-15
split
NPA 336 split from 910
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2014-08-20
relief planned
Overlay of 336 with 743 announced
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2014-09-18
NPA 743 overlay on 336 announced
NPA 743 to Overlay NPA 336 (North Carolina)
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2015-01-09
NPA 743 overlay on 336 announced
NPA 743 to Overlay NPA 336 (North Carolina)
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2015-10-24
NPA 743 overlay activated over 336
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2015-10-24
permissive dialing
Permissive dialing begins for 336/743 overlay
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2016-04-23
mandatory dialing
Mandatory 10-digit dialing begins for 336/743 overlay
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