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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-388 Area Code & Prefix

(312) 388-0xxx
(312) 388-1xxx
(312) 388-2xxx
(312) 388-3xxx
(312) 388-4xxx
(312) 388-5xxx
(312) 388-6xxx
(312) 388-7xxx
(312) 388-8xxx
(312) 388-9xxx