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PHONE NUMBER PREFIXES IN THE 406 AREA CODE

Thousand digits 406-543 Area Code & Prefix

(406) 543-0xxx
(406) 543-1xxx
(406) 543-2xxx
(406) 543-3xxx
(406) 543-4xxx
(406) 543-5xxx
(406) 543-6xxx
(406) 543-7xxx
(406) 543-8xxx
(406) 543-9xxx