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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-350 Area Code & Prefix

(312) 350-0xxx
(312) 350-1xxx
(312) 350-2xxx
(312) 350-3xxx
(312) 350-4xxx
(312) 350-5xxx
(312) 350-6xxx
(312) 350-7xxx
(312) 350-8xxx
(312) 350-9xxx