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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-684 Area Code & Prefix

(312) 684-0xxx
(312) 684-1xxx
(312) 684-2xxx
(312) 684-3xxx
(312) 684-4xxx
(312) 684-5xxx
(312) 684-6xxx
(312) 684-7xxx
(312) 684-8xxx
(312) 684-9xxx