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PHONE NUMBER PREFIXES IN THE 303 AREA CODE

Thousand digits 303-561 Area Code & Prefix

(303) 561-0xxx
(303) 561-1xxx
(303) 561-2xxx
(303) 561-3xxx
(303) 561-4xxx
(303) 561-5xxx
(303) 561-6xxx
(303) 561-7xxx
(303) 561-8xxx
(303) 561-9xxx