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PHONE NUMBER PREFIXES IN THE 406 AREA CODE

Thousand digits 406-252 Area Code & Prefix

(406) 252-0xxx
(406) 252-1xxx
(406) 252-2xxx
(406) 252-3xxx
(406) 252-4xxx
(406) 252-5xxx
(406) 252-6xxx
(406) 252-7xxx
(406) 252-8xxx
(406) 252-9xxx