North American Telephone Operator
North American
Telephone Operator

Phone prefix +1-720420

Phone prefix: +1720420
This prefix is distributed within the state Colorado
The largest city within this prefix is Denver, CO
District: Not defined
The largest organization: Level 3 Communications
Phone numbers of the state Colorado
Time Zone: Mountain
Winter time: UTC-7
Summer time: UTC-6
The largest city within the prefix of +1-720420.... numbers is shown below Denver, CO.