─────── § 04. NPA RECORD · 831 · FOLIO 0633 OF 0801 ──────────────
831
United States NPA Record
Area code 831 serves Monterey, San Benito, and Santa Cruz counties in California.
Area code 831 serves Monterey, San Benito, and Santa Cruz counties in California. It was created in 1998 by splitting from area code 408.
IN SERVICEFirst record · 1998
§ 04.05Event Summary
mandatory dialing · 1split · 1
§ 04.06
Documentary Record · 2 events
CHRONOLOGICAL ORDER
1998-07-11
split
NPA 831 split from 408
▸
1999-02-20
mandatory dialing
Mandatory dialing for 831 and 408 after split
▸