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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-392 Area Code & Prefix

(312) 392-0xxx
(312) 392-1xxx
(312) 392-2xxx
(312) 392-3xxx
(312) 392-4xxx
(312) 392-5xxx
(312) 392-6xxx
(312) 392-7xxx
(312) 392-8xxx
(312) 392-9xxx