─────── § 04. NPA RECORD · 571 · FOLIO 0373 OF 0801 ──────────────
571
United States NPA Record
Area code 571 is an overlay of 703 introduced in 2000 to address number exhaustion in Northern Virginia.
Area code 571 is an overlay of 703 introduced in 2000 to address number exhaustion in Northern Virginia. It serves the same geographic area as 703, including many mobile and new landline numbers.
IN SERVICEFirst record · 2000
§ 04.05Event Summary
introduced · 1mandatory dialing · 1other · 1
§ 04.06
Documentary Record · 5 events
CHRONOLOGICAL ORDER
2000-01-01
NPA 571 overlays 703 in Virginia
Area code 571 was introduced in 2000 as an overlay for the 703 area in northern Virginia, providing additional numbering resources for the region.
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2000-03-01
NPA 571 overlay introduced for 703
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2000-03-01
mandatory dialing
Mandatory 10-digit dialing introduced for 703/571 overlay
Because of the overlay of 703 and 571, 10-digit dialing became mandatory for all local calls within the overlay area starting March 1, 2000.
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2000-03-01
introduced
NPA 571 introduced as overlay for 703
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2021-11-17
other
NPA 343/613 (eastern Ontario) – amending PL-571
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