─────── § 04. NPA RECORD · 572 · FOLIO 0374 OF 0801 ──────────────
572
United States NPA Record
Area code 572 is an overlay for the 405 area code in central Oklahoma, introduced in 2021 to address number exhaustion in the region.
Area code 572 is an overlay for the 405 area code in central Oklahoma, introduced in 2021 to address number exhaustion in the region.
IN SERVICEFirst record · 2020
§ 04.05Event Summary
mandatory dialing · 1relief planned · 1
§ 04.06
Documentary Record · 4 events
CHRONOLOGICAL ORDER
2020-01-09
relief planned
NPA 572 announced as overlay for 405
On January 9, 2020, it was announced that area code 572 would overlay area code 405 in central Oklahoma to provide additional numbering resources.
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2020-03-04
NPA 572 overlay on 405 announced
NPA 572 to Overlay NPA 405 (Oklahoma)
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2021-01-01
mandatory dialing
Ten-digit dialing becomes mandatory for 405/572 overlay complex
In January 2021, ten-digit dialing became mandatory in central Oklahoma due to the implementation of the 405/572 overlay complex.
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2021-01-01
NPA 572 overlays 405 in central Oklahoma
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