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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-369 Area Code & Prefix

(312) 369-0xxx
(312) 369-1xxx
(312) 369-2xxx
(312) 369-3xxx
(312) 369-4xxx
(312) 369-5xxx
(312) 369-6xxx
(312) 369-7xxx
(312) 369-8xxx
(312) 369-9xxx