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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-480 Area Code & Prefix

(312) 480-0xxx
(312) 480-1xxx
(312) 480-2xxx
(312) 480-3xxx
(312) 480-4xxx
(312) 480-5xxx
(312) 480-6xxx
(312) 480-7xxx
(312) 480-8xxx
(312) 480-9xxx