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PHONE NUMBER PREFIXES IN THE 815 AREA CODE

Thousand digits 815-521 Area Code & Prefix

(815) 521-0xxx
(815) 521-1xxx
(815) 521-2xxx
(815) 521-3xxx
(815) 521-4xxx
(815) 521-5xxx
(815) 521-6xxx
(815) 521-7xxx
(815) 521-8xxx
(815) 521-9xxx