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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-966 Area Code & Prefix

(312) 966-0xxx
(312) 966-1xxx
(312) 966-2xxx
(312) 966-3xxx
(312) 966-4xxx
(312) 966-5xxx
(312) 966-6xxx
(312) 966-7xxx
(312) 966-8xxx
(312) 966-9xxx