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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-854 Area Code & Prefix

(312) 854-0xxx
(312) 854-1xxx
(312) 854-2xxx
(312) 854-3xxx
(312) 854-4xxx
(312) 854-5xxx
(312) 854-6xxx
(312) 854-7xxx
(312) 854-8xxx
(312) 854-9xxx