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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-387 Area Code & Prefix

(312) 387-0xxx
(312) 387-1xxx
(312) 387-2xxx
(312) 387-3xxx
(312) 387-4xxx
(312) 387-5xxx
(312) 387-6xxx
(312) 387-7xxx
(312) 387-8xxx
(312) 387-9xxx