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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-687 Area Code & Prefix

(312) 687-0xxx
(312) 687-1xxx
(312) 687-2xxx
(312) 687-3xxx
(312) 687-4xxx
(312) 687-5xxx
(312) 687-6xxx
(312) 687-7xxx
(312) 687-8xxx
(312) 687-9xxx