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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-471 Area Code & Prefix

(312) 471-0xxx
(312) 471-1xxx
(312) 471-2xxx
(312) 471-3xxx
(312) 471-4xxx
(312) 471-5xxx
(312) 471-6xxx
(312) 471-7xxx
(312) 471-8xxx
(312) 471-9xxx