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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.^[1]

• LT41 in Gualeguaychu, Entre Rios

• CFFR in Calgary, Alberta - 50 kW 24-hour, transmitter located at 50°45′27″N 114°03′46″W / 50.7575°N 114.062778°W / 50.7575; -114.062778 (CFFR - 50 kW daytime, 50 kW nighttime)

• CB-66 in Santiago (Radio UC, formerly Radio Cooperativa, and before 2005 Radio Chilena) - this station was heard across most of Latin America.

• HJQS in Cúcuta
• HJR29 in San Andrés
• HJEZ in Santiago de Cali

• 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

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
KAPS	Mount Vernon, Washington	69678	B	10	1		48°26′19″N 122°20′39″W / 48.438611°N 122.344167°W / 48.438611; -122.344167 (KAPS - 10 kW daytime, 1 kW nighttime)
KCRO	Omaha, Nebraska	54902	D	1	0.054		41°18′47″N 96°00′36″W / 41.313056°N 96.01°W / 41.313056; -96.01 (KCRO - 1 kW daytime, 0.054 kW nighttime)
KEYZ	Williston, North Dakota	10511	B	5	5		48°14′20″N 103°39′01″W / 48.238889°N 103.650278°W / 48.238889; -103.650278 (KEYZ - 5 kW daytime, 5 kW nighttime)
KFAR	Fairbanks, Alaska	6438	A			10	64°48′29″N 147°29′34″W / 64.808056°N 147.492778°W / 64.808056; -147.492778 (KFAR - 10 kW unlimited)
KGSV	Oildale, California	54760	B	8	6		35°27′10″N 118°56′40″W / 35.452778°N 118.944444°W / 35.452778; -118.944444 (KGSV - 8 kW daytime, 6 kW nighttime)
KSKY	Balch Springs, Texas	6591	B	7.2	0.6		33°02′27″N 96°56′51″W / 33.040833°N 96.9475°W / 33.040833; -96.9475 (KSKY - 7.2 kW daytime, 0.6 kW nighttime)
KTNN	Window Rock, Arizona	66146	B	50	50		35°53′42″N 109°08′29″W / 35.895°N 109.141389°W / 35.895; -109.141389 (KTNN - 50 kW daytime, 50 kW nighttime)
KXOR	Junction City, Oregon	31037	D	10	0.075		44°12′36″N 123°10′56″W / 44.21°N 123.182222°W / 44.21; -123.182222 (KXOR - 10 kW daytime, 0.075 kW nighttime)
WAMO	Wilkinsburg, Pennsylvania	25732	D	1.4			40°24′47″N 79°51′14″W / 40.413056°N 79.853889°W / 40.413056; -79.853889 (WAMO - 1.4 kW daytime, off air at nighttime)
WBHR	Sauk Rapids, Minnesota	26980	B	10	0.5		45°36′18″N 94°08′21″W / 45.605°N 94.139167°W / 45.605; -94.139167 (WBHR - 10 kW daytime, 0.5 kW nighttime)
WDYZ	Altamonte Springs, Florida	21810	B	3.5	1		28°41′35″N 81°20′57″W / 28.693056°N 81.349167°W / 28.693056; -81.349167 (WDYZ - 3.5 kW daytime, 1 kW nighttime)
WESC	Greenville, South Carolina	4678	D	5			34°53′10″N 82°28′03″W / 34.886111°N 82.4675°W / 34.886111; -82.4675 (WESC - 5 kW daytime)
WFAN	New York, New York	28617	A			50	40°51′35″N 73°47′09″W / 40.859722°N 73.785833°W / 40.859722; -73.785833 (WFAN - 50 kW unlimited)
WLOY	Rural Retreat, Virginia	27190	D	0.55			36°55′17″N 81°14′34″W / 36.921389°N 81.242778°W / 36.921389; -81.242778 (WLOY - 0.55 kW day)
WMIC	Sandusky, Michigan	59026	D	1			43°23′34″N 82°50′06″W / 43.392778°N 82.835000°W / 43.392778; -82.835000 (WMIC - 1 kW day)
WXIC	Waverly, Ohio	14652	D	1			39°07′50″N 83°00′46″W / 39.130556°N 83.012778°W / 39.130556; -83.012778 (WXIC - 1 kW day)
WXQW	Fairhope, Alabama	2541	D	10	0.019		30°35′50″N 87°52′58″W / 30.597222°N 87.882778°W / 30.597222; -87.882778 (WXQW - 10 kW daytime, 0.019 kW nighttime)

• FCC list of radio stations on 660 kHz