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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-781 Area Code & Prefix

(312) 781-0xxx
(312) 781-1xxx
(312) 781-2xxx
(312) 781-3xxx
(312) 781-4xxx
(312) 781-5xxx
(312) 781-6xxx
(312) 781-7xxx
(312) 781-8xxx
(312) 781-9xxx