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PHONE NUMBER PREFIXES IN THE 406 AREA CODE

Thousand digits 406-242 Area Code & Prefix

(406) 242-0xxx
(406) 242-1xxx
(406) 242-2xxx
(406) 242-3xxx
(406) 242-4xxx
(406) 242-5xxx
(406) 242-6xxx
(406) 242-7xxx
(406) 242-8xxx
(406) 242-9xxx