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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-658 Area Code & Prefix

(312) 658-0xxx
(312) 658-1xxx
(312) 658-2xxx
(312) 658-3xxx
(312) 658-4xxx
(312) 658-5xxx
(312) 658-6xxx
(312) 658-7xxx
(312) 658-8xxx
(312) 658-9xxx