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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-357 Area Code & Prefix

(312) 357-0xxx
(312) 357-1xxx
(312) 357-2xxx
(312) 357-3xxx
(312) 357-4xxx
(312) 357-5xxx
(312) 357-6xxx
(312) 357-7xxx
(312) 357-8xxx
(312) 357-9xxx