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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-259 Area Code & Prefix

(312) 259-0xxx
(312) 259-1xxx
(312) 259-2xxx
(312) 259-3xxx
(312) 259-4xxx
(312) 259-5xxx
(312) 259-6xxx
(312) 259-7xxx
(312) 259-8xxx
(312) 259-9xxx