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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-679 Area Code & Prefix

(312) 679-0xxx
(312) 679-1xxx
(312) 679-2xxx
(312) 679-3xxx
(312) 679-4xxx
(312) 679-5xxx
(312) 679-6xxx
(312) 679-7xxx
(312) 679-8xxx
(312) 679-9xxx