─────── § 04. NPA RECORD · 801 · FOLIO 0603 OF 0801 ──────────────
801
United States NPA Record
Original area code for the entire state of Utah, created in 1947.
Original area code for the entire state of Utah, created in 1947. It was geographically reduced in 1997 to cover the Wasatch Front region including Salt Lake City and surrounding counties.
IN SERVICEFirst record · 1947
§ 04.05Event Summary
other · 5introduced · 2permissive dialing · 2relief planned · 2mandatory dialing · 1split · 1
§ 04.06
Documentary Record · 16 events
CHRONOLOGICAL ORDER
1947-01-01
introduced
Area code 801 introduced for Utah
In 1947, area code 801 was introduced as one of the original North American area codes, covering the entire state of Utah.
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1997-05-30
other
NANP- Split of 801 (Utah) Numbering Plan Area (NPA)
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1997-09-21
split
NPA 435 created from 801
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1998-06-12
permissive dialing
Extension of Permissive Dialing Period for Utah 801 and 435 NPA Relief; Reference PL-NANP-065
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2000-05-31
other
801 NPA Split, Creating 385 NPA (Utah)
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2000-11-06
other
801 NPA Split Delayed (Utah)
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2000-12-31
relief planned
Planned split of 801 to create 385
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2002-10-22
other
801 NPA; 2-way Split Creating 385, Delayed until March 2005 (Utah)
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2004-06-23
other
Utah 801-385 Split Suspended
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2007-07-12
relief planned
Overlay relief plan selected for 801 with 385
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2007-07-23
NPA 385 overlay on 801 announced
NPA 385 to Overlay NPA 801 (Utah)
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2007-08-16
NPA 385 overlay on 801 announced
NPA 385 to Overlay NPA 801 (Utah)
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2008-06-01
Area code 385 overlays 801
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2008-06-01
permissive dialing
Permissive 10-digit dialing begins for 801/385
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2008-06-01
introduced
Area code 385 overlay activated
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2009-06-01
mandatory dialing
Mandatory 10-digit dialing for 801/385
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