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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-251 Area Code & Prefix

(312) 251-0xxx
(312) 251-1xxx
(312) 251-2xxx
(312) 251-3xxx
(312) 251-4xxx
(312) 251-5xxx
(312) 251-6xxx
(312) 251-7xxx
(312) 251-8xxx
(312) 251-9xxx