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PHONE NUMBER PREFIXES IN THE 406 AREA CODE

Thousand digits 406-489 Area Code & Prefix

(406) 489-0xxx
(406) 489-1xxx
(406) 489-2xxx
(406) 489-3xxx
(406) 489-4xxx
(406) 489-5xxx
(406) 489-6xxx
(406) 489-7xxx
(406) 489-8xxx
(406) 489-9xxx