─────── § 04. NPA RECORD · 779 · FOLIO 0581 OF 0801 ──────────────
779
United States NPA Record
Overlay area code for the 815 area code region in northern Illinois, introduced in 2007.
Overlay area code for the 815 area code region in northern Illinois, introduced in 2007.
IN SERVICEFirst record · 2006
§ 04.05Event Summary
activated · 1
§ 04.06
Documentary Record · 4 events
CHRONOLOGICAL ORDER
2006-05-15
NPA 779 overlay on 815 announced
NPA 779 to Overlay NPA 815 (Illinois)
▸
2007-03-01
activated
NPA 779 activated as overlay for 815
▸
2007-03-17
NPA 779 activated as overlay for 815
▸
2009-01-01
NPA 779 officially added as overlay to 815
▸