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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°37′36″N 95°52′21″W / 68.6267°N 95.8725°W / 68.6267; -95.8725
CBN	St. John's, Newfoundland and Labrador	10	10	47°34′08″N 52°48′45″W / 47.568889°N 52.8125°W / 47.568889; -52.8125
CFIQ	Richmond Hill, Ontario	50	50	43°10′45″N 79°25′59″W / 43.179167°N 79.433056°W / 43.179167; -79.433056

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°52′47″N 118°00′47″W / 33.879722°N 118.013056°W / 33.879722; -118.013056
KTIB	Thibodaux, Louisiana	36183	B	5	1		29°51′05″N 90°54′48″W / 29.851389°N 90.913333°W / 29.851389; -90.913333
KWPN	Moore, Oklahoma	22190	B	5	1		35°17′21″N 97°30′08″W / 35.289167°N 97.502222°W / 35.289167; -97.502222
KYUK	Bethel, Alaska	4963	A			10	60°46′57″N 161°53′00″W / 60.7825°N 161.883333°W / 60.7825; -161.883333 (KYUK - 10 kW unlimited)
WBIN	Atlanta, Georgia	29730	B	50	1		33°45′43″N 84°27′29″W / 33.761944°N 84.458056°W / 33.761944; -84.458056
WCRV	Collierville, Tennessee	6486	B	50	0.48		34°59′35″N 89°53′58″W / 34.993056°N 89.899444°W / 34.993056; -89.899444
WFNC	Fayetteville, North Carolina	8583	B	10	1		35°04′46″N 78°55′58″W / 35.079444°N 78.932778°W / 35.079444; -78.932778
WHLO	Akron, Ohio	43858	B	5	0.5		41°04′47″N 81°38′45″W / 41.079722°N 81.645833°W / 41.079722; -81.645833
WMEN	Royal Palm Beach, Florida	61080	B	7.5	0.46		26°45′18″N 80°22′00″W / 26.755°N 80.366667°W / 26.755; -80.366667
WMFN	Peotone, Illinois	55089	B	4.4	1.6		41°18′04″N 87°50′07″W / 41.301111°N 87.835278°W / 41.301111; -87.835278
WNNZ	Westfield, Massachusetts	9736	B	50	1		42°10′46″N 72°45′05″W / 42.179444°N 72.751389°W / 42.179444; -72.751389
WOI	Ames, Iowa	29119	B	5	1		41°59′34″N 93°41′27″W / 41.992778°N 93.690833°W / 41.992778; -93.690833
WVLG	Wildwood, Florida	70724	B	0.93	0.86		28°54′16″N 81°57′36″W / 28.904444°N 81.96°W / 28.904444; -81.96
WWJZ	Mount Holly, New Jersey	43904	B	50	0.95		39°59′49″N 74°43′11″W / 39.996944°N 74.719722°W / 39.996944; -74.719722
WXSM	Blountville, Tennessee	29513	B	10	0.81		36°31′19″N 82°25′25″W / 36.521944°N 82.423611°W / 36.521944; -82.423611

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

Map all coordinates using OpenStreetMap

Download coordinates as:

References

^ "AM Query Results".
^ "AM Station Classes, and Clear, Regional, and Local Channels". Federal Communications Commission. 2015-12-11. Retrieved 2020-11-25.

Lists of radio stations by frequency

Stations that broadcast for public reception

Continuous
wave/Morse

in kHz	17.2 20.5 23 25 25.1 25.5

Radio clocks	40 50 60 60 60 66.67 68.5 77.5 77.5 100 162

By AM
frequencies

Regions 1 and 3, 9 kHz spacing	153 162 164¹ 171 177¹ 180 183¹ 189 198 207 209¹ 216 225 227¹ 234 243 252 261 270 279

Regions 1 and 3,
9 kHz spacing

Region 2,
10 kHz spacing

High frequency
shortwave
frequencies
in MHz

120 m	2.5 2.5 2.5
90 m	3.2474 3.25 3.33
75 m	3.81 4.015 4.146 4.2075 4.213 4.363 4.372 4.387 4.414
60 m	4.8615 4.996 5 5 5 5 5 5 5.006 5.025 5.13 5.83
49 m	6.03 6.07 6.15 6.16 6.16 6.317 6.318 6.351 6.37 6.51 6.9
41 m	7.49 7.505 7.6 7.646 7.795 7.8 7.85
31 m	8.006 8.113 8.120 8.291 8.421 8.473 8.4785 8.625 8.646 8.686 8.728 8.728 8.746 8.749 8.809 9.265 9.275 9.33 9.395 9.475 9.955 9.835 9.996 10 10 10 10
25 m	12.5815 12.5905 12.6645 12.691 12.857 13.026 13.0425 13.14 13.173 13.146 13.191
19 m	14.67 14.996 15 15 15 15 15 15.42 15.77
16 m	16.809 16.905 16.957 16.9615 17.094 17.257 17.26
15 m	19.6855 20
13 m	22.3835 22.447 22.461 22.735 22.762 22.783
11 m	25

By FM
frequencies

VHF (Band I/
OIRT FM)

Regions 1 and 3, 30 kHz spacing³	65.84 74.00

VHF
(Band II/
CCIR FM)

Regions 1 and 3, 50/100 kHz spacing³	87.5 87.6 87.7 87.8 87.9 88.0 88.2 88.4 88.6 88.8 89.0 89.2 89.4 89.6 89.8 90.0 90.2 90.4 90.6 90.8 91.0 91.2 91.4 91.6 91.8 92.0 92.2 92.4 92.6 92.8 93.0 93.2 93.4 93.6 93.8 94.0 94.2 94.4 94.6 94.8 95.0 95.2 95.4 95.6 95.8 96.0 96.2 96.4 96.6 96.8 97.0 97.2 97.4 97.6 97.8 98.0 98.2 98.4 98.6 98.8 99.0 99.2 99.4 99.6 99.8 100.0 100.2 100.4 100.6 100.8 101.0 101.2 101.4 101.6 101.8 102.0 102.2 102.4 102.6 102.8 103.0 103.2 103.4 103.6 103.8 104.0 104.2 104.4 104.6 104.8 105.0 105.2 105.4 105.6 105.8 106.0 106.2 106.4 106.6 106.8 107.0 107.2 107.4 107.6 107.8 108.0
Region 2, 200 kHz spacing	87.7 87.9 88.1 88.3 88.5 88.7 88.9 89.1 89.3 89.5 89.7 89.9 90.1 90.3 90.5 90.7 90.9 91.1 91.3 91.5 91.7 91.9 92.1 92.3 92.5 92.7 92.9 93.1 93.3 93.5 93.7 93.9 94.1 94.3 94.5 94.7 94.9 95.1 95.3 95.5 95.7 95.9 96.1 96.3 96.5 96.7 96.9 97.1 97.3 97.5 97.7 97.9 98.1 98.3 98.5 98.7 98.9 99.1 99.3 99.5 99.7 99.9 100.1 100.3 100.5 100.7 100.9 101.1 101.3 101.5 101.7 101.9 102.1 102.3 102.5 102.7 102.9 103.1 103.3 103.5 103.7 103.9 104.1 104.3 104.5 104.7 104.9 105.1 105.3 105.5 105.7 105.9 106.1 106.3 106.5 106.7 106.9 107.1 107.3 107.5 107.7 107.9
Japan FM, Brazil eFM	76.1 76.2 76.3 76.4 76.5 76.6 76.7 76.8 76.9 77.0 77.1 77.2 77.3 77.4 77.5 77.6 77.7 77.8 77.9 78.0 78.1 78.2 78.3 78.4 78.5 78.6 78.7 78.8 78.9 79.0 79.1 79.2 79.3 79.4 79.5 79.6 79.7 79.8 79.9 80.0 80.1 80.2 80.3 80.4 80.5 80.6 80.7 80.8 80.9 81.0 81.1 81.2 81.3 81.4 81.5 81.6 81.7 81.8 81.9 82.0 82.1 82.2 82.3 82.4 82.5 82.6 82.7 82.8 82.9 83.0 83.1 83.2 83.3 83.4 83.5 83.6 83.7 83.8 83.9 84.0 84.1 84.2 84.3 84.4 84.5 84.6 84.7 84.8 84.9 85.0 85.1 85.2 85.3 85.4 85.5 85.6 85.7 85.8 85.9 86.0 86.1 86.2 86.3 86.4 86.5 86.6 86.7 86.8 86.9 87.0 87.1 87.2 87.3 87.4
Weather radio	162.400 162.425 162.450 162.475 162.500 162.525 162.550

¹ Non-standard frequency
² Shortwave uses a combination of AM, VSB, USB and LSB, with some NB FM and CW/morse code (in the case of time signal stations) as well as numerous frequencies, depending on the time of day/night, season, and solar activity level. A reasonably full list from 16 kHz to 27MHz can be found at [1]
³ Regions 1 and 3 also use Region 2's frequencies as well, with 50 to 100 kHz spacing.
⁴ See also: Template:Audio broadcasting, Apex (radio band) and OIRT

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Lists of radio stations by frequency

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