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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-346 Area Code & Prefix

(312) 346-0xxx
(312) 346-1xxx
(312) 346-2xxx
(312) 346-3xxx
(312) 346-4xxx
(312) 346-5xxx
(312) 346-6xxx
(312) 346-7xxx
(312) 346-8xxx
(312) 346-9xxx