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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-236 Area Code & Prefix

(312) 236-0xxx
(312) 236-1xxx
(312) 236-2xxx
(312) 236-3xxx
(312) 236-4xxx
(312) 236-5xxx
(312) 236-6xxx
(312) 236-7xxx
(312) 236-8xxx
(312) 236-9xxx