─────── § 04. NPA RECORD · 224 · FOLIO 0026 OF 0801 ──────────────
224
United States NPA Record
Overlay area code for the 847 area code region in the northern Chicago suburbs, introduced in 2002.
Overlay area code for the 847 area code region in the northern Chicago suburbs, introduced in 2002.
IN SERVICEFirst record · 1998
§ 04.05Event Summary
mandatory dialing · 2other · 2
§ 04.06
Documentary Record · 5 events
CHRONOLOGICAL ORDER
1998-06-30
other
NANP-Overlay of 847 (Illinois) Numbering Plan Area (NPA) with 224 NPA
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1999-02-23
other
No Mandatory date set for 1 +10 digit dialing in Chicago NPA 847/224 Overlay; update to PL-127
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2001-10-17
mandatory dialing
Mandatory Dialing Date Established for NPAs 847 and 224 (Illinois)
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2002-01-05
NPA 224 overlays 847
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2002-01-05
mandatory dialing
Ten-digit dialing became mandatory in the 847/224 region
The introduction of the 224 overlay required ten-digit dialing in all affected communities within the 847/224 numbering plan area.
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