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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-457 Area Code & Prefix

(312) 457-0xxx
(312) 457-1xxx
(312) 457-2xxx
(312) 457-3xxx
(312) 457-4xxx
(312) 457-5xxx
(312) 457-6xxx
(312) 457-7xxx
(312) 457-8xxx
(312) 457-9xxx