640 AM - The following radio stations broadcast on AM frequency 640 kHz: 640 AM is a North American clear-channel frequency. KFI in Los Angeles, California, KYUK in Bethel, Alaska, and CBN in St. John's, Newfoundland and Labrador, Canada share Class A status of 640 AM.
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In Argentina
In Bolivia
In Brazil
In Canada
In Chile
In Costa Rica
In Colombia
In Cuba
In Ecuador
In Guadeloupe
In Guatemala
In Honduras
In Mexico
In Panama
In Paraguay
In Peru
In the United States
In Venezuela
References
640 AM Wikipedia(Text) CC BY-SA