The following radio stations broadcast on AM frequency 680kHz: 680 AM is a North American clear-channel frequency. KNBR and KBRW share Class A status on 680kHz. WRKO, WPTF, CJOB, and CFTR also broadcast on 680kHz, with 50,000 watts at all times, but are class B.

458 Argentina

• LT3 in Rosario, Santa Fe Province

• LU12 in Rio Gallegos, Santa Cruz

• LV6 in Mendoza

In Canada

In Mexico

• XECHG-AM in Chilpancingo, Guerrero

In the United States

Stations in bold are clear-channel stations.

References