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PHONE NUMBER PREFIXES IN THE 406 AREA CODE

Thousand digits 406-992 Area Code & Prefix

(406) 992-0xxx
(406) 992-1xxx
(406) 992-2xxx
(406) 992-3xxx
(406) 992-4xxx
(406) 992-5xxx
(406) 992-6xxx
(406) 992-7xxx
(406) 992-8xxx
(406) 992-9xxx