(520) 204
Prefix in TUCSON, Arizona
Prefix Details
About the (520) 204 Prefix
The (520) 204 prefix is assigned to MCLEODUSA TELECOMMUNICATION SERVICES, INC. - AZ and serves the TUCSON rate center in Arizona. Phone numbers with this prefix are in the (UTC-7) Time Zone and are part of area code 520 which covers Tucson and surrounding areas.