The AM band is allocated into three categories: local, regional, and clear channels.
- Local channels are limited to a maximum transmitter power of 1000 watts and use a non-directional antenna.
- Regional channels (Class B) use higher transmitter powers, typically up to about 20,000 watts (though some at 50,000 watts), and directional antennas.
- Clear channel stations (Class A) can use 50,000 watts of power. They use both non-directional and directional antennas. In the past, there were fewer clear channel stations at one time as only one station was assigned to each frequency. Today, with the use of directional antennas, two or more stations may be on the same frequency without interfere with other 50,000 watt stations.
North America AM radio stations with at least 50,000 watts nighttime broadcast power (Class A and B).
Frequency | Call Sign | Location |
---|---|---|
540 kHz | CBK | Watrous, Saskatchewan, CA |
CBT | Grand Falls, Newfoundland, CA | |
XEWA | San Luis Potosí, MX | |
580 kHz | KMJ | Fresno, CA |
630 kHz | XEFB | Monterrey, MX |
640 kHz | CBN | St. John's, Newfoundland, CA |
KFI | Los Angeles, CA | |
650 kHz | KENI | Anchorage, AK |
WSM | Nashville, TN | |
660 kHz | CFFR | Calgary, Alberta, CA |
KTNN | Window Rock, AZ | |
WFAN | New York, NY | |
670 kHz | KBOI | Boise, ID |
WSCR | Chicago, IL | |
680 kHz | KNBR | San Francisco, CA |
WPTF | Raleigh, NC | |
WRKO | Boston, MA | |
690 kHz | XETRA | Tijuana, MX |
700 kHz | WLW | Cincinnati, OH |
710 kHz | KIRO | Seattle, WA |
WAQI | Miami, FL | |
WOR | New York, NY | |
720 kHz | WGN | Chicago, IL |
KDWN | Las Vegas, NV | |
730 kHz | CKAC | Montreal, Quebec CA |
XEX | Mexico City, MX | |
740 kHz | CFZM | Toronto, Ontario, CA |
KCBS | San Francisco, CA | |
KTRH | Houston, TX | |
CBX | Edmonton, Alberta, CA | |
750 kHz | KFQD | Anchorage, AK |
WSB | Atlanta, GA | |
760 kHz | WJR | Detroit, MI |
KFMB | San Diego, CA | |
770 kHz | KKOB | Albuquerque, NM |
WABC | New York, NY | |
780 kHz | WBBM | Chicago, IL |
KKOH | Reno, NV | |
790 kHz | CFCW | Camrose, Alberta, CA |
800 kHz | XEROK | Ciudad Juárez, MX |
CKLW | Windsor, Ontario, CA | |
810 kHz | KGO | San Francisco, CA |
WKVM | San Juan, Puerto Rico | |
WGY | Schenectady, NY | |
820 kHz | WBAP | Ft Worth-Dallas, TX |
830 kHz | WCCO | Minneapolis, MN |
840 kHz | WHAS | Louisville, KY |
850 kHz | KICY | Nome, AK |
KOA | Denver, CO | |
WEEI | Boston, MA | |
XETQ | Ixhuatlancillo, Veracruz, MX | |
860 kHz | CJBC | Toronto, Ontario, CA |
870 khz | WWL | New Orleans, LA |
880 kHz | WCBS | New York, NY |
KRVN | Lexington, NE | |
890 kHz | WLS | Chicago, IL |
900 kHz | XEW | Mexico City, MX |
940 kHz | XEQ | Mexico City, MX |
950 kHz | KJR | Seattle, WA |
WWJ | Detroit, MI | |
960 kHz | CFAC | Calgary, Alberta, CA |
970 kHz | XERFR | Mexico City, MX |
990 kHz | XET | Monterrey, MX |
1000 kHz | KOMO | Seattle, WA |
WMVP | Chicago, IL | |
XEOY | Mexico City, MX | |
1010 kHz | CBR | Calgary, Alberta, CA |
CFRB | Toronto, Ontario, CA | |
WINS | New York, NY | |
1020 kHz | KDKA | Pittsburgh, PA |
KCKN | Roswell, NM | |
KTNQ | Los Angeles, CA | |
1030 kHz | KTWO | Casper, WY |
WBZ | Boston, MA | |
1040 kHz | WHO | Des Moines, IA |
1050 kHz | XEG | Monterrey, Nuevo León, MX |
1060 kHz | KYW | Philadelphia, PA |
XEEP | Mexico City, MX | |
1070 kHz | KNX | Los Angeles, CA |
1080 kHz | KRLD | Dallas, TX |
WTIC | Hartford, CT | |
1090 kHz | KAAY | Little Rock, AR |
KFNQ | Seattle, WA | |
WBAL | Baltimore, MD | |
XEPRS | Rancho del Mar, Rosarito, Baja California, MX | |
1100 kHz | WTAM | Cleveland, OH |
KFAX | San Francisco, CA | |
1110 kHz | WBT | Charlotte, NC |
KFAB | Omaha, NE | |
XERED | Mexico City, MX | |
1120 kHz | KMOX | Saint Louis, MO |
KPNW | Eugene, OR | |
1130 kHz | CKWX | Vancouver, British Columbia, CA |
KWKH | Shreveport, LA | |
WBBR | New York, NY | |
1140 kHz | WRVA | Richmond, VA |
KHTK | Sacramento, CA | |
XEMR | Monterrey, Nuevo León, MX | |
1150 kHz | KEIB | Burbank, CA (44,000 watts nighttime) |
1160 kHz | KSL | Salt Lake City, UT |
1170 kHz | KFAQ | Tulsa, OK |
WWVA | Wheeling, WV | |
1180 kHz | WHAM | Rochester, NY |
1190 kHz | KEX | Portland, OR |
1200 kHz | WOAI | San Antonio, TX |
1210 kHz | WPHT | Philadelphia, PA |
1220 kHz | XEB | Mexico City, D.F., MX |
1320 kHz | CHMB | Vancouver, British Columbia, CA |
1410 kHz | CFTE | Vancouver, British Columbia, CA |
1500 kHz | KSTP | St. Paul-Minneapolis |
WFED | Washington, DC | |
1510 kHz | WLAC | Nashville, TN |
WWZN | Boston, MA | |
1520 kHz | KOKC | Oklahoma City, OK |
WWKB | Buffalo, NY | |
1530 kHz | KFBK | Sacramento, CA |
WCKY | Cincinnati, OH | |
1540 kHz | KXEL | Waterloo, IA |
ZNS-1 | Nassau, Bahamas | |
1550 kHz | CBEF | Windsor, Ontario, CA |
XERUV | Xalapa, Veracruz, MX | |
1560 kHz | WQEW | New York, NY |
1570 kHz | XERF | Acuña, Coahuila, MX |
1580 kHz | CKDO | Oshawa, Ontario, CA |
KMIK | Phoenix, AZ | |
XEDM | Hermosillo, Sonora, MX | |
Frequency | Call Sign | Location |