─────── § 04. NPA RECORD · 223 · FOLIO 0025 OF 0801 ──────────────
223
United States NPA Record
Overlay area code introduced in 2017 to relieve numbering exhaustion in the 717 area, requiring ten-digit dialing.
Overlay area code introduced in 2017 to relieve numbering exhaustion in the 717 area, requiring ten-digit dialing.
IN SERVICEFirst record · 2016
§ 04.05Event Summary
relief planned · 2mandatory dialing · 1planning notice · 1
§ 04.06
Documentary Record · 8 events
CHRONOLOGICAL ORDER
2016-10-01
relief planned
NPA 223 approved as an overlay for 717
In October 2016, area code 223 was approved as an overlay for the 717 numbering plan area after relief studies projected exhaustion.
▸
2016-12-28
NPA 223 overlay on 717 announced
NPA 223 to Overlay NPA 717 (Pennsylvania)
▸
2017-01-23
NPA 223 overlay on 717 announced
NPA 223 to Overlay NPA 717 (Pennsylvania)
▸
2017-07-22
planning notice
Central office code orders opened for NPA 223
Area code 223 became available for central office code orders on July 22, 2017.
▸
2017-07-22
Area code 223 becomes available for central office code orders
▸
2017-07-22
relief planned
NPA 223 overlay planned for 717
▸
2017-08-26
mandatory dialing
Mandatory ten-digit dialing begins in 717/223 overlay
Ten-digit dialing became mandatory in the 717/223 overlay area on August 26, 2017, to accommodate the new overlay area code and ensure proper call routing.
▸
2017-09-26
NPA 223 overlay activated on 717
Area code 223 was activated as an overlay to area code 717 on September 26, 2017, requiring ten-digit dialing for all calls in the numbering plan area.
▸