─────── § 04. NPA RECORD · 615 · FOLIO 0417 OF 0801 ──────────────
615
United States NPA Record
Area code 615 originally covered almost all of Middle Tennessee including Nashville.
Area code 615 originally covered almost all of Middle Tennessee including Nashville. After 1997, it was reduced to serve the inner ring of Nashville following the creation of area code 931.
IN SERVICEFirst record · 1954
§ 04.05Event Summary
split · 5mandatory dialing · 3relief planned · 3other · 2permissive dialing · 2
§ 04.06
Documentary Record · 18 events
CHRONOLOGICAL ORDER
1954-01-01
split
NPA 901 split to create 615
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1994-11-22
other
NANP-SPLIT OF 615 (TENNESSEE) NUMBERING PLAN AREA (NPA)
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1995-01-01
split
NPA 423 split from 615
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1995-09-01
split
NPA 423 split from 615
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1997-08-15
other
NANP-Split of 615 (Tennessee) Numbering Plan Area (NPA)
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1997-09-01
split
NPA 931 split from 615
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1997-09-15
split
NPA 931 split from 615
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1998-01-15
mandatory dialing
Mandatory dialing for NPA 931 and 615
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1998-01-15
permissive dialing
Permissive dialing of 615 continued after 931 split
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2012-03-09
relief planned
NANPA projects 615 to exhaust in 2Q 2015
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2013-10-21
relief planned
Overlay relief planned for NPA 615 with new NPA 629
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2013-10-23
relief planned
TRA approves overlay relief for 615
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2013-12-04
NPA 629 overlay on 615 announced
NPA 629 to Overlay NPA 615 (Tennessee)
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2014-07-26
permissive dialing
Permissive dialing begins for 629 overlay
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2015-02-01
mandatory dialing
Mandatory ten-digit dialing for 615/629
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2015-02-28
mandatory dialing
Mandatory ten-digit dialing begins for overlay NPA 629
Mandatory ten-digit dialing began in late February 2015 for the 615/629 overlay complex, requiring callers to dial the area code for all local calls.
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2015-03-01
NPA 629 overlays 615
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2015-04-01
NPA 629 overlays 615
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