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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-799 Area Code & Prefix

(312) 799-0xxx
(312) 799-1xxx
(312) 799-2xxx
(312) 799-3xxx
(312) 799-4xxx
(312) 799-5xxx
(312) 799-6xxx
(312) 799-7xxx
(312) 799-8xxx
(312) 799-9xxx