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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-458 Area Code & Prefix

(312) 458-0xxx
(312) 458-1xxx
(312) 458-2xxx
(312) 458-3xxx
(312) 458-4xxx
(312) 458-5xxx
(312) 458-6xxx
(312) 458-7xxx
(312) 458-8xxx
(312) 458-9xxx