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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-380 Area Code & Prefix

(312) 380-0xxx
(312) 380-1xxx
(312) 380-2xxx
(312) 380-3xxx
(312) 380-4xxx
(312) 380-5xxx
(312) 380-6xxx
(312) 380-7xxx
(312) 380-8xxx
(312) 380-9xxx