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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-288 Area Code & Prefix

(312) 288-0xxx
(312) 288-1xxx
(312) 288-2xxx
(312) 288-3xxx
(312) 288-4xxx
(312) 288-5xxx
(312) 288-6xxx
(312) 288-7xxx
(312) 288-8xxx
(312) 288-9xxx