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PHONE NUMBER PREFIXES IN THE 406 AREA CODE

Thousand digits 406-940 Area Code & Prefix

(406) 940-0xxx
(406) 940-1xxx
(406) 940-2xxx
(406) 940-3xxx
(406) 940-4xxx
(406) 940-5xxx
(406) 940-6xxx
(406) 940-7xxx
(406) 940-8xxx
(406) 940-9xxx