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PHONE NUMBER PREFIXES IN THE 303 AREA CODE

Thousand digits 303-428 Area Code & Prefix

(303) 428-0xxx
(303) 428-1xxx
(303) 428-2xxx
(303) 428-3xxx
(303) 428-4xxx
(303) 428-5xxx
(303) 428-6xxx
(303) 428-7xxx
(303) 428-8xxx
(303) 428-9xxx