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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-389 Area Code & Prefix

(312) 389-0xxx
(312) 389-1xxx
(312) 389-2xxx
(312) 389-3xxx
(312) 389-4xxx
(312) 389-5xxx
(312) 389-6xxx
(312) 389-7xxx
(312) 389-8xxx
(312) 389-9xxx