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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-379 Area Code & Prefix

(312) 379-0xxx
(312) 379-1xxx
(312) 379-2xxx
(312) 379-3xxx
(312) 379-4xxx
(312) 379-5xxx
(312) 379-6xxx
(312) 379-7xxx
(312) 379-8xxx
(312) 379-9xxx