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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-571 Area Code & Prefix

(312) 571-0xxx
(312) 571-1xxx
(312) 571-2xxx
(312) 571-3xxx
(312) 571-4xxx
(312) 571-5xxx
(312) 571-6xxx
(312) 571-7xxx
(312) 571-8xxx
(312) 571-9xxx