660 AM
The following radio stations broadcast on AM frequency 660 kHz: 660 AM is a United States clear-channel frequency. WFAN New York City and KFAR Fairbanks, Alaska, share Class A status of 660 kHz.
In Argentina
- LT41 in Gualeguaychu, Entre Rios
In Canada
- CFFR in Calgary, Alberta - 50 kW 24-hour, transmitter located at
In Chile
- CB-66 in Santiago - this station was heard across most of Latin America.
In Colombia
- HJQS in Cúcuta
- HJR29 in San Andrés
- HJEZ in Santiago de Cali
In Mexico
- XECPR-AM in Felipe Carrillo Puerto, Quintana Roo
- XEDTL-AM in San Lorenzo Tezonco, Mexico City
- XEFZ-AM in San Nicolás de los Garza, Nuevo León
- XESJC-AM in San José del Cabo, Baja California Sur
- XEYG-AM in Matias Romero, Oaxaca
In the United States
| Call sign | City of license | Facility ID | Class | Daytime power | Nighttime power | Unlimited power | Transmitter coordinates |
| KAPS | Mount Vernon, Washington | 69678 | B | 10 | 1 | ||
| KCRO | Omaha, Nebraska | 54902 | D | 1 | 0.054 | ||
| KEYZ | Williston, North Dakota | 10511 | B | 5 | 5 | ||
| KFAR | Fairbanks, Alaska | 6438 | A | 10 | |||
| KGSV | Oildale, California | 54760 | B | 8 | 6 | ||
| KSKY | Balch Springs, Texas | 6591 | B | 7.2 | 0.6 | ||
| KTNN | Window Rock, Arizona | 66146 | B | 50 | 50 | ||
| KXOR | Junction City, Oregon | 31037 | D | 10 | 0.075 | ||
| WAMO | Wilkinsburg, Pennsylvania | 25732 | D | 1.4 | |||
| WBHR | Sauk Rapids, Minnesota | 26980 | B | 10 | 0.5 | ||
| WDYZ | Altamonte Springs, Florida | 21810 | B | 3.5 | 1 | ||
| WESC | Greenville, South Carolina | 4678 | D | 5 | |||
| WFAN | New York, New York | 28617 | A | 50 | |||
| WLOY | Rural Retreat, Virginia | 27190 | D | 0.55 | |||
| WMIC | Sandusky, Michigan | 59026 | D | 1 | |||
| WXIC | Waverly, Ohio | 14652 | D | 1 | |||
| WXQW | Fairhope, Alabama | 2541 | D | 10 | 0.019 |