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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-736 Area Code & Prefix

(312) 736-0xxx
(312) 736-1xxx
(312) 736-2xxx
(312) 736-3xxx
(312) 736-4xxx
(312) 736-5xxx
(312) 736-6xxx
(312) 736-7xxx
(312) 736-8xxx
(312) 736-9xxx