640 AM

640 AM - The following radio stations broadcast on AM frequency 640 kHz:^[1] 640 AM is a North American clear-channel frequency.^[2] KFI in Los Angeles, California, KYUK in Bethel, Alaska, and CBN in St. John's, Newfoundland and Labrador, share Class A status of 640 AM.

In Argentina

• LRA24 in Río Grande, Tierra del Fuego
• LU18 in General Roca, Río Negro
• LV15 in Villa Mercedes, San Luis

In Bolivia

• CP 157 in Milluni

In Brazil

• ZYH458 in Itabuna
• ZYH-757 in Goiânia
• ZYI-240 in Vitória·
• ZYI-418 in Alta Floresta
• ZYJ262 in Londrina
• ZYJ-489 in Resende
• ZYJ590 in Natal, Rio Grande do Norte
• ZYK-277 in Porto Alegre
• ZYK-547 in Araraquara
• ZYL-308 in Para de Minas

In Canada

Stations in bold are clear-channel stations.

Call sign	City of license	Daytime power (kW)	Nighttime power (kW)	Transmitter coordinates
CBIA	Gjoa Haven, Nunavut	0.04	0.04	68.6267°N 95.8725°W / 68.6267; -95.8725 (CBIA - 0.04 kW daytime, 0.04 kW nighttime)
CBN	St. John's, Newfoundland and Labrador	10	10	47.568889°N 52.8125°W / 47.568889; -52.8125 (CBN - 10 kW daytime, 10 kW nighttime)
CFIQ	Richmond Hill, Ontario	50	50	43.179167°N 79.433056°W / 43.179167; -79.433056 (CFMJ - 50 kW daytime, 50 kW nighttime)

In Chile

• CA-064 in Curico
• CD-064 in Temuco

In Costa Rica

• TIQQ in San José

In Colombia

• HJBJ in Santa Marta
• HJR32 in Bucaramanga

In Cuba

• CMLA in Victoria de Las Tunas

In Ecuador

• HCXY1 in Quito

In France

In Guadeloupe

• FFQ in Point-à-Pitre

In Guatemala

• TGW in Guatemala City

In Honduras

• HRNN4 in Tegucigalpa

In Mexico

• XELOVE-AM in Cd. Juárez, Chihuahua
• XENQ-AM in Tulancingo, Hidalgo
• XETAM-AM in Santa Elena, Tamaulipas

In Panama

• HOK 22 in Colón

In Paraguay

• ZP 19 in Coronel Oviedo

In Peru

• OAZ4K in Lima

In the United States

Stations in bold are clear-channel stations.

Call sign	City of license	Facility ID	Class	Daytime power (kW)	Nighttime power (kW)	Unlimited power (kW)	Transmitter coordinates
KFI	Los Angeles, California	34425	A	50	50		33.879722°N 118.013056°W / 33.879722; -118.013056 (KFI - 50 kW daytime, 50 kW nighttime)
KTIB	Thibodaux, Louisiana	36183	B	5	1		29.851389°N 90.913333°W / 29.851389; -90.913333 (KTIB - 5 kW daytime, 1 kW nighttime)
KWPN	Moore, Oklahoma	22190	B	5	1		35.289167°N 97.502222°W / 35.289167; -97.502222 (KWPN - 5 kW daytime, 1 kW nighttime)
KYUK	Bethel, Alaska	4963	A			10	60.7825°N 161.883333°W / 60.7825; -161.883333 (KYUK - 10 kW unlimited)
WBIN	Atlanta, Georgia	29730	B	50	1		33.761944°N 84.458056°W / 33.761944; -84.458056 (WBIN - 50 kW daytime, 1 kW nighttime)
WCRV	Collierville, Tennessee	6486	B	50	0.48		34.993056°N 89.899444°W / 34.993056; -89.899444 (WCRV - 50 kW daytime, 0.48 kW nighttime)
WFNC	Fayetteville, North Carolina	8583	B	10	1		35.079444°N 78.932778°W / 35.079444; -78.932778 (WFNC - 10 kW daytime, 1 kW nighttime)
WHLO	Akron, Ohio	43858	B	5	0.5		41.079722°N 81.645833°W / 41.079722; -81.645833 (WHLO - 5 kW daytime, 0.5 kW nighttime)
WMEN	Royal Palm Beach, Florida	61080	B	7.5	0.46		26.755°N 80.366667°W / 26.755; -80.366667 (WMEN - 7.5 kW daytime, 0.46 kW nighttime)
WMFN	Peotone, Illinois	55089	B	4.4	1.6		41.301111°N 87.835278°W / 41.301111; -87.835278 (WMFN - 4.4 kW daytime, 1.6 kW nighttime)
WNNZ	Westfield, Massachusetts	9736	B	50	1		42.179444°N 72.751389°W / 42.179444; -72.751389 (WNNZ - 50 kW daytime, 1 kW nighttime)
WOI	Ames, Iowa	29119	B	5	1		41.992778°N 93.690833°W / 41.992778; -93.690833 (WOI - 5 kW daytime, 1 kW nighttime)
WVLG	Wildwood, Florida	70724	B	0.93	0.86		28.904444°N 81.96°W / 28.904444; -81.96 (WVLG - 0.93 kW daytime, 0.86 kW nighttime)
WWJZ	Mount Holly, New Jersey	43904	B	50	0.95		39.996944°N 74.719722°W / 39.996944; -74.719722 (WWJZ - 50 kW daytime, 0.95 kW nighttime)
WXSM	Blountville, Tennessee	29513	B	10	0.81		36.521944°N 82.423611°W / 36.521944; -82.423611 (WXSM - 10 kW daytime, 0.81 kW nighttime)

Between 1951 and 1963, the frequency was also one of two used for the United States' CONELRAD emergency broadcasting system, the other frequency being 1240 AM.

In Venezuela

• YVSI in Maracaibo
• YVQO in Puerto La Cruz

See also