─────── § 04. NPA RECORD · 712 · FOLIO 0514 OF 0801 ──────────────
712
United States NPA Record
Area code 712 covers the most western part of Iowa, including cities such as Sioux City and Council Bluffs.
Area code 712 covers the most western part of Iowa, including cities such as Sioux City and Council Bluffs. It is one of the original area codes established in 1947 and remains unchanged in its boundaries.
IN SERVICEFirst record · 1947
§ 04.05Event Summary
introduced · 1relief planned · 1
§ 04.06
Documentary Record · 2 events
CHRONOLOGICAL ORDER
1947-01-01
introduced
NPA 712 established for western Iowa
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2031-01-01
relief planned
NPA 712 projected to remain unchanged through 2031
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