510-688-7706 800-583-0096 514-503-5231
502-645-6956 866-587-9694 928-349-0560
585-216-9161 587-404-5667 480-729-4203
Index - Area Code 720 - Colorado Prefix 720-305 - DENVER, CO (TW TELECOM OF COLORADO LLC - CO)NPA-NXX-X Location Phone Company 720-305-0XXX DENVER, CO TW TELECOM OF COLORADO LLC - CO 720-305-1XXX DENVER, CO T-MOBILE USA, INC. 720-305-2XXX DENVER, CO T-MOBILE USA, INC. 720-305-3XXX DENVER, CO T-MOBILE USA, INC. 720-305-4XXX DENVER, CO MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO 720-305-5XXX DENVER, CO MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO 720-305-6XXX DENVER, CO T-MOBILE USA, INC. 720-305-7XXX DENVER, CO T-MOBILE USA, INC. 720-305-8XXX DENVER, CO T-MOBILE USA, INC. 720-305-9XXX DENVER, CO 4574-TW TELECOM OF COLORADO LLC - CO