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PHONE NUMBER PREFIXES IN THE 231 AREA CODE

Thousand digits 231-636 Area Code & Prefix

(231) 636-0xxx
(231) 636-1xxx
(231) 636-2xxx
(231) 636-3xxx
(231) 636-4xxx
(231) 636-5xxx
(231) 636-6xxx
(231) 636-7xxx
(231) 636-8xxx
(231) 636-9xxx