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PHONE NUMBER PREFIXES IN THE 406 AREA CODE

Thousand digits 406-642 Area Code & Prefix

(406) 642-0xxx
(406) 642-1xxx
(406) 642-2xxx
(406) 642-3xxx
(406) 642-4xxx
(406) 642-5xxx
(406) 642-6xxx
(406) 642-7xxx
(406) 642-8xxx
(406) 642-9xxx