680 AM

The following radio stations broadcast on AM frequency 680 kHz:^[1] 680 AM is a North American clear-channel frequency.^[2] KNBR and KBRW share Class A status on 680 kHz. WRKO, WPTF, CJOB and CFTR also broadcast on 680 kHz, with 50,000 watts at all times, but are class B.

458 Argentina

• LT3 in Rosario, Santa Fe Province
• LU12 in Rio Gallegos, Santa Cruz
• LV6 in Mendoza

In Canada

Call sign	City of license	Daytime power (kW)	Nighttime power (kW)	Transmitter coordinates
CFTR	Toronto, Ontario	50	50	43.214167°N 79.608611°W / 43.214167; -79.608611 (CFTR - 50 kW daytime, 50 kW nighttime)
CJOB	Winnipeg, Manitoba	50	50	49.653889°N 97.191944°W / 49.653889; -97.191944 (CJOB - 50 kW daytime, 50 kW nighttime)

In Mexico

• XECHG-AM in Chilpancingo, Guerrero

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
KBRD	Lacey, Washington	26893	D	0.25			47.062222°N 122.830278°W / 47.062222; -122.830278 (KBRD - 0.25 kW daytime)
KBRW	Barrow, Alaska	60375	A	10	10		71.256667°N 156.525556°W / 71.256667; -156.525556 (KBRW - 10 kW daytime, 10 kW nighttime)
KFEQ	St. Joseph, Missouri	34419	B	5	5		39.828611°N 94.805556°W / 39.828611; -94.805556 (KFEQ - 5 kW daytime, 5 kW nighttime)
KKGR	East Helena, Montana	49725	D	5			46.568889°N 111.908889°W / 46.568889; -111.908889 (KKGR - 5 kW daytime)
KKYX	San Antonio, Texas	48273	B	50	10		29.500833°N 98.831667°W / 29.500833; -98.831667 (KKYX - 50 kW daytime, 10 kW nighttime)
KNBR	San Francisco, California	35208	A			50	37.547222°N 122.233333°W / 37.547222; -122.233333 (KNBR - 50 kW unlimited)
KOMW	Omak, Washington	49163	D	5			48.394444°N 119.533333°W / 48.394444; -119.533333 (KOMW - 5 kW daytime)
KWKA	Clovis, New Mexico	14748	B			0.5	34.363333°N 103.218056°W / 34.363333; -103.218056 (KWKA - 0.5 kW unlimited)
WAPA	San Juan, Puerto Rico	8889	B	10	9.5		18.404444°N 65.947778°W / 18.404444; -65.947778 (WAPA - 10 kW daytime, 9.5 kW nighttime)
WCBM	Baltimore, Maryland	4759	B	50	20		39.374167°N 76.858056°W / 39.374167; -76.858056 (WCBM - 50 kW daytime, 20 kW nighttime)
WCNN	North Atlanta, Georgia	56389	B	50	10		33.961667°N 84.263333°W / 33.961667; -84.263333 (WCNN - 50 kW daytime, 10 kW nighttime)
WCTT	Corbin, Kentucky	14361	B	0.77	0.83		36.9025°N 84.080556°W / 36.9025; -84.080556 (WCTT - 0.77 kW daytime, 0.83 kW nighttime)
WDBC	Escanaba, Michigan	35115	B	6	1		45.763056°N 87.094722°W / 45.763056; -87.094722 (WDBC - 6 kW daytime, 1 kW nighttime)
WGES	St. Petersburg, Florida	74558	D	0.8	0.14		27.856389°N 82.623889°W / 27.856389; -82.623889 (WGES - 0.8 kW daytime, 0.14 kW nighttime)
WHBE	Newburg, Kentucky	56520	B	1	0.45		38.091944°N 85.682222°W / 38.091944; -85.682222 (WHBE - 1 kW daytime, 0.45 kW nighttime)
WINR	Binghamton, New York	67191	B	5	0.5		42.114722°N 75.854444°W / 42.114722; -75.854444 (WINR - 5 kW daytime, 0.5 kW nighttime)
WISR	Butler, Pennsylvania	7900	D	0.25	0.05		40.8775°N 79.9025°W / 40.8775; -79.9025 (WISR - 0.25 kW daytime, 0.05 kW nighttime)
WKAZ	Charleston, West Virginia	71662	B	10	0.221		38.318611°N 81.541111°W / 38.318611; -81.541111 (WKAZ - 10 kW daytime, 0.221 kW nighttime)
WMFS	Memphis, Tennessee	34374	B	8	5		35.222778°N 90.043611°W / 35.222778; -90.043611 (WMFS - 8 kW daytime, 5 kW nighttime)
WNZK	Dearborn Heights, Michigan	5348	B		2.5		42.098611°N 83.33°W / 42.098611; -83.33 (WNZK - 2.5 kW nighttime)
WOGO	Hallie, Wisconsin	63427	B	2.5	0.5		44.889444°N 91.384167°W / 44.889444; -91.384167 (WOGO - 2.5 kW daytime, 0.5 kW nighttime)
WPTF	Raleigh, North Carolina	21630	B	50	50		35.793889°N 78.761389°W / 35.793889; -78.761389 (WPTF - 50 kW daytime, 50 kW nighttime)
WRKO	Boston, Massachusetts	1902	B	50	50		42.490278°N 71.218056°W / 42.490278; -71.218056 (WRKO - 50 kW daytime, 50 kW nighttime)