─────── § 04. NPA RECORD · 220 · FOLIO 0022 OF 0801 ──────────────
220
United States NPA Record
Overlay area code introduced in 2015 to serve the same geographic area as 740 in southeastern and central Ohio, requiring ten-digit dialing.
Overlay area code introduced in 2015 to serve the same geographic area as 740 in southeastern and central Ohio, requiring ten-digit dialing.
IN SERVICEFirst record · 2014
§ 04.05Event Summary
mandatory dialing · 1permissive dialing · 1
§ 04.06
Documentary Record · 5 events
CHRONOLOGICAL ORDER
2014-02-03
NPA 220 overlay on 740 announced
NPA 220 to Overlay NPA 740 (Ohio)
▸
2014-09-20
permissive dialing
Permissive 10-digit dialing period for 740/220 overlay
▸
2014-10-24
NPA 220 overlay on 740 announced
NPA 220 to Overlay NPA 740 (Ohio)
▸
2015-04-22
NPA 220 overlays 740
▸
2015-04-22
mandatory dialing
Mandatory 10-digit dialing for 740/220 overlay complex
▸