─────── § 04. NPA RECORD · 464 · FOLIO 0266 OF 0801 ──────────────
464
United States NPA Record
Overlay area code for the 708 area code region in the Chicago suburbs, introduced in 2022.
Overlay area code for the 708 area code region in the Chicago suburbs, introduced in 2022.
IN SERVICEFirst record · 1999
§ 04.05Event Summary
relief planned · 1reserved · 1
§ 04.06
Documentary Record · 5 events
CHRONOLOGICAL ORDER
1999-06-30
relief planned
464 reserved as relief for 708
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1999-06-30
reserved
Area code 464 reserved for future relief of 708
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1999-10-24
NPA 464 overlay on 708 announced
NPA 872 to Overlay NPAs 312 and 773 (Illinois)NPA 464 to Overlay NPA 708NPA 331 to Overlay NPA 630
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2021-07-16
NPA 464 overlay on 708 announced
NPA 464 to Overlay NPA 708 (Illinois)
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2022-01-21
464 overlay activated over 708
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