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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-349 Area Code & Prefix

(312) 349-0xxx
(312) 349-1xxx
(312) 349-2xxx
(312) 349-3xxx
(312) 349-4xxx
(312) 349-5xxx
(312) 349-6xxx
(312) 349-7xxx
(312) 349-8xxx
(312) 349-9xxx