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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-348 Area Code & Prefix

(312) 348-0xxx
(312) 348-1xxx
(312) 348-2xxx
(312) 348-3xxx
(312) 348-4xxx
(312) 348-5xxx
(312) 348-6xxx
(312) 348-7xxx
(312) 348-8xxx
(312) 348-9xxx