The following is a list of radio stations in the United States that are authorized to run 50 kW (50,000 watts) of power. This is the highest power authorized to any AM station in the United States.
| Call sign | Frequency | Community of License | Power |
|---|---|---|---|
| KAAY | 1090 kHz | Little Rock, Arkansas | 50 kW U DA-N |
| KBLA | 1580 kHz | Santa Monica, California | 50 kW U DA-2 (Class B) |
| KBOI | 670 kHz | Boise, Idaho | 50 kW U DA-N (Class B) |
| KCBS | 740 kHz | San Francisco, California | 50 kW U DA-2 (Class B) |
| KCBQ | 1170 kHz | San Diego, California | 50 kW-D, 2.9 kW-N DA-2 (Class B) |
| KCKN | 1020 kHz | Roswell, New Mexico | 50 kW U DA-2 (Class B) |
| KDIS | 1110 kHz | Pasadena, California | 50 kW D, 20 kW N DA-2 (Class B) |
| KDKA | 1020 kHz | Pittsburgh, Pennsylvania | 50 kW U |
| KDWN | 720 kHz | Las Vegas, Nevada | 50 kW U DA-N (Class B) |
| KENI | 650 kHz | Anchorage, Alaska | 50 kW U (Class N) |
| KEX | 1190 kHz | Portland, Oregon | 50 kW U DA-N |
| KFAB | 1110 kHz | Omaha, Nebraska | 50 kW U DA-N |
| KFAQ | 1170 kHz | Tulsa, Oklahoma | 50 kW U DA-N |
| KFAX | 1100 kHz | San Francisco, California | 50 kW U DA-1 (Class B) |
| KFBK | 1530 kHz | Sacramento, California | 50 kW U DA-2 |
| KFI | 640 kHz | Los Angeles, California | 50 kW U |
| KFMB | 760 kHz | San Diego, California | 5 kW D, 50 kW DA-N (Class B) |
| KFQD | 750 kHz | Anchorage, Alaska | 50 kW U (Class N) |
| KFXR | 1190 kHz | Dallas, Texas | 50 kW D, 5 kW N DA-2 (Class B) |
| KGA | 1510 kHz | Spokane, Washington | 50 kW D, 15 kW N DA-2 (Class B) |
| KGO | 810 kHz | San Francisco, California | 50 kW U DA-1 |
| KHTK | 1140 kHz | Sacramento, California | 50 kW U DA-2 (Class B) |
| KIRO | 710 kHz | Seattle, Washington | 50 kW U DA-N |
| KJR | 950 kHz | Seattle, Washington | 50 kW U DA-2 (Class B) |
| KKOB | 770 kHz | Albuquerque, New Mexico | 50 kW U DA-N (Class B) |
| KKOH | 780 kHz | Reno, Nevada | 50 kW U DA-N (Class B) |
| KLAA | 830 kHz | Orange, California | 50 kW-D, 20 kW-N DA-N (Class B) |
| KLOK | 1170 kHz | San Jose, California | 50 kW-D, 5 kW-N DA-2 (Class B) |
| KMIK | 1580 kHz | Phoenix, Arizona | 50 kW U DA-2 (Class B) |
| KMNY | 1360 kHz | Hurst, Texas | 50 kW D, 0.8 kW N DA-2 (Class B) |
| KMJ | 580 kHz | Fresno, California | 50 kW U DA-1 (Class B) |
| KMOX | 1120 kHz | Saint Louis, Missouri | 50 kW U |
| KMPC | 1540 kHz | Los Angeles, California | 50 kW D, 37 kW N DA-2 (Class B) |
| KNBR | 680 kHz | San Francisco, California | 50 kW U |
| KNX | 1070 kHz | Los Angeles, California | 50 kW U |
| KOA | 850 kHz | Denver, Colorado | 50 kW U |
| KOFI | 1180 kHz | Kalispell, Montana | 50 kW D, 10 KW N DA-N (Class B) |
| KOKC | 1520 kHz | Oklahoma City, Oklahoma | 50 kW U DA-N |
| KOMO | 1000 kHz | Seattle, Washington | 50 kW U DA-N |
| KPNW | 1120 kHz | Eugene, Oregon | 50 kW U DA-1 (Class B) |
| KRLD | 1080 kHz | Dallas, Texas | 50 kW U DA-N |
| KRMG | 740 kHz | Tulsa, Oklahoma | 50 kW D, 25 kW N DA-2 (Class B) |
| KRVN | 880 kHz | Lexington, Nebraska | 50 kW U DA-N (Class B) |
| KSL | 1160 kHz | Salt Lake City, Utah | 50 kW U |
| KSPN | 710 kHz | Los Angeles, California | 50 kW-D, 10 kW N DA-N (Class B) |
| KSTP | 1500 kHz | St Paul, Minnesota | 50 kW U DA-N |
| KTCN | 1130 kHz | Minneapolis, Minnesota | 50 kW-D, 25 kW-N DA-2 (Class B) |
| KTLK | 1150 kHz | Los Angeles, California | 50 kW-D, 44 kW-N DA-2 (Class B) |
| KTNN | 660 kHz | Window Rock, Arizona | 50 kW U DA-N (Class B) |
| KTNO | 1440 kHz | University Park, Texas | 50 kW D, 0.35 kW N DA-2 (Class B) |
| KTNQ | 1020 kHz | Los Angeles, California | 50 kW U DA-2 (Class B) |
| KTRH | 740 kHz | Houston, Texas | 50 kW U DA-2 (Class B) |
| KTWO | 1030 kHz | Casper, Wyoming | 50 kW U DA-N (Class B) |
| KWKH | 1130 kHz | Shreveport, Louisiana | 50 kW U DA-N |
| KXEL | 1540 kHz | Waterloo, Iowa | 50 kW U DA-N |
| KPTK | 1090 kHz | Seattle, Washington | 50 kW U DA-2 (Class B) |
| KYNO | 940 kHz | Fresno, California | 50 kW U DA-2 (Class B) |
| KYW | 1060 kHz | Philadelphia, Pennsylvania | 50 kW U DA-1 |
| KVTT | 1110 kHz | Mineral Wells, Texas | 50 kW D (Class D) |
| WABC | 770 kHz | New York, New York | 50 kW U |
| WALE | 990 kHz | Greenville, Rhode Island | 50kW-D, 5kW-N DA-2 (Class B) |
| WAQI | 710 kHz | Miami, Florida | 50 kW U DA-2 (Class B) |
| WBAL | 1090 kHz | Baltimore, Maryland | 50 kW U DA-N |
| WBAP | 820 kHz | Ft Worth, Texas | 50 kW U |
| WBBM | 780 kHz | Chicago, Illinois | 50 kW U |
| WBBR | 1130 kHz | New York, New York | 50 kW U DA-N |
| WBT | 1110 kHz | Charlotte, North Carolina | 50 kW U DA-N |
| WBZ | 1030 kHz | Boston, Massachusetts | 50 kW U DA-1 |
| WCBS | 880 kHz | New York, New York | 50 kW U |
| WCRN | 830 kHz | Worcester, Massachusetts | 50kW DA-2 (Class B) |
| WCCO | 830 kHz | Minneapolis, Minnesota | 50 kW U |
| WDCD | 1540 kHz | Albany, New York | 50 kW U DA-1 (Class B) |
| WEEI | 850 kHz | Boston, Massachusetts | 50 kW U DA-2 (Class B) |
| WEPN | 1050 kHz | New York, New York | 50 kW U DA-1 (Class B) |
| WFAN | 660 kHz | New York, New York | 50 kW U |
| WFDF | 910 kHz | Farmington Hills, MI | 50 kW D, 25 kW N DA-2 (Class B) |
| WFED | 1500 kHz | Washington, D.C. | 50 kW U DA-2 |
| WFLF | 540 kHz | Orlando, Florida | 50 kW U DA-2 (Class B) |
| WGN | 720 kHz | Chicago, Illinois | 50 kW U |
| WGY | 810 kHz | Schenectady, New York | 50 kW U |
| WHAM | 1180 kHz | Rochester, New York | 50 kW U |
| WHAS | 840 kHz | Louisville, Kentucky | 50 kW U |
| WHK | 1220 kHz | Cleveland, Ohio | 50 kW U DA-1 (Class B) |
| WHO | 1040 kHz | Des Moines, Iowa | 50 kW U |
| WISN | 1130 kHz | Milwaukee, Wisconsin | 50 kW D, 10 kW N DA-2 (Class B) |
| WINS | 1010 kHz | New York, New York | 50 kW U DA-2 (Class B) |
| WJR | 760 kHz | Detroit, Michigan | 50 kW U |
| WKVM | 810 kHz | San Juan, Puerto Rico | 50 kW U DA-N (Class B) |
| WLAC | 1510 kHz | Nashville, Tennessee | 50 kW U DA-N |
| WLFJ | 660 kHz | Greenville, South Carolina | 50 kW D (Class D) |
| WLS | 890 kHz | Chicago, Illinois | 50 kW U |
| WLW | 700 kHz | Cincinnati, Ohio | 50 kW U |
| WMAC | 940 kHz | Macon, Georgia | 50 kW D, 10 kW N DA-N (Class B) |
| WMVP | 1000 kHz | Chicago, Illinois | 50 kW U DA-2 |
| WNTP | 990 kHz | Philadelphia, Pennsylvania | 50 kW D, 10 kW N DA-2 (Class B) |
| WNWR | 1540 kHz | Philadelphia, Pennsylvania | 50 kW D DA-D (Class D) |
| WOAI | 1200 kHz | San Antonio, Texas | 50 kW U |
| WOR | 710 kHz | New York, New York | 50 kW U DA-1 |
| WOWO | 1190 kHz | Fort Wayne, Indiana | 50 kW D, 9.8 kW N DA-N (Class B) |
| WPHT | 1210 kHz | Philadelphia, Pennsylvania | 50 kW U |
| WPTF | 680 kHz | Raleigh, North Carolina | 50 kW U DA-N (Class B) |
| WQEW | 1560 kHz | New York, New York | 50 kW U DA-2 |
| WRKO | 680 kHz | Boston, Massachusetts | 50 kW U DA-2 (Class B) |
| WRVA | 1140 kHz | Richmond, Virginia | 50 kW U DA-1 |
| WSAI | 1530 kHz | Cincinnati, Ohio | 50 kW U DA-N |
| WSB | 750 kHz | Atlanta, Georgia | 50 kW U |
| WSCR | 670 kHz | Chicago, Illinois | 50 kW U |
| WSM | 650 kHz | Nashville, Tennessee | 50 kW U |
| WTAM | 1100 kHz | Cleveland, Ohio | 50 kW U |
| WTIC | 1080 kHz | Hartford, Connecticut | 50 kW U DA-N |
| WTMJ | 620 kHz | Milwaukee, Wisconsin | 50 kW D, 10 kW N DA-2 (Class B) |
| WWJ | 950 kHz | Detroit, Michigan | 50 kW U DA-2 (Class B) |
| WWKB | 1520 kHz | Buffalo, New York | 50 kW U DA-1 |
| WWL | 870 kHz | New Orleans, Louisiana | 50 kW U DA-1 |
| WWVA | 1170 kHz | Wheeling, West Virginia | 50 kW U DA-N |
| WWZN | 1510 kHz | Boston, Massachusetts | 50 kW U DA-3 (Class B) |
| WXYT | 1270 kHz | Detroit, Michigan | 50 kW U DA-2 (Class B) |
| WYGM | 740 kHz | Orlando, Florida | 50 kW U DA-2 (Class B) |