North American Telephone Operator
North American
Telephone Operator

Phone prefix +1-605666

Phone prefix: +1605666
This prefix is distributed within the state South Dakota
The largest city within this prefix is Keystone, SD
District: Pennington
The largest organization: Fort Randall Telco DBA Mt Rushmore Telephone Co
Phone numbers of the state South Dakota
Time Zone: Central / Mountain
Winter time: UTC-6 / UTC-7
Summer time: UTC-5 / UTC-6
The largest city within the prefix of +1-605666.... numbers is shown below Keystone, SD.