─────── § 04. NPA RECORD · 307 · FOLIO 0109 OF 0801 ──────────────
307
United States NPA Record
Area code 307 covers the entire U.S.
Area code 307 covers the entire U.S. state of Wyoming. It is one of the original 86 area codes created in 1947 and remains the only area code for Wyoming due to its sparse population.
IN SERVICEFirst record · 1947
§ 04.05Event Summary
introduced · 1
§ 04.06
Documentary Record · 1 event
CHRONOLOGICAL ORDER
1947-01-01
introduced
Area code 307 assigned to Wyoming
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