National Telephone Number Directory – Central Office Code Prefix 999

Area Code 303 with Central Office Code Prefix 999

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Section Overview:

This page contains a directory for all the phone numbers with prefix 999 in the 303 area code of Denver, CO.

General information:

Primary city:: Denver, CO

Carrier:: Comcast Phone Of Colorado, LLC - CO

Timezone:: Mountain

Phone Prefix	Phones Recorded	Owners	Locations
(303) 999-0...	798	2,269	Romulus, NY Alameda, CA San Mateo, CA
(303) 999-1...	24	30	Henderson, CO Fort Collins, CO Boulder, CO
(303) 999-2...	48	106	Longmont, CO Lakewood, CO Littleton, CO
(303) 999-4...	8	23	Bakersfield, CA Boulder, CO
(303) 999-5...	16	25	Lyons, CO Waukesha, WI Englewood, CO
(303) 999-6...	13	14	Bailey, CO Broomfield, CO
(303) 999-7...	16	20	Broomfield, CO Lakewood, CO Westminster, CO
(303) 999-8...	13	22	Englewood, CO San Antonio, TX Arvada, CO
(303) 999-9...	20	34	Castle Rock, CO Parker, CO Englewood, CO
(303) 999-3...	15	36	Parker, CO Englewood, CO Westminster, CO

The National Telephone Number Directory

Area Code 303 with Central Office Code Prefix 999