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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-448 Area Code & Prefix

(312) 448-0xxx
(312) 448-1xxx
(312) 448-2xxx
(312) 448-3xxx
(312) 448-4xxx
(312) 448-5xxx
(312) 448-6xxx
(312) 448-7xxx
(312) 448-8xxx
(312) 448-9xxx