The following radio stations broadcast on AM frequency 550 kHz: The Federal Communications Commission classifies 550 AM as a regional frequency.
AM 550 in Neuquen (still have no call sign assigned)
CP 153 in La Paz
ZYI-797 in Garanhuns
ZYL-225 in Cataguazes
ZYL-263 in Montes Claros
ZYJ-331 in Curitiba
ZYK-287 in Santa Cruz do Sul
ZYK-578 in Cruzeiro
ZYK-696 in Sertaozinho
ZYK-902 in São Raimundo Nonato
CD-055 in Angol
HJHF in Marinilla
HJR22 in Santa Marta
HJR36 in Mitú
HJZQ in Neiva
CMBV in Wajay
YSFG in Sonsonate
TGRV in San Pedro Sacatepéquez
HRH in Tegucigalpa
RJR in Montego Bay
HJHF in Maranilla
HCGB1 in Quito
XEHLL-AM in Salina Cruz, Oaxaca
XEPL-AM in Cd. Cuauhtémoc, Chihuahua
XEGNAY-AM in Tepic, Nayarit
YNR1 in Chichigalpa
ZP48 in Marical Estigarribia
ZP 16 in Ciudad del Este
Saint Kitts and Nevis
ZIZ in Springfield, Basseterre (Note: ZIZ operates at 555 kHz)
Falkland Islands
VPC in Port Stanley
KARI in Blaine, Washington
KBOW in Butte, Montana
KCRS in Midland, Texas
KFRM in Salina, Kansas
KFYI in Phoenix, Arizona
KFYR in Bismarck, North Dakota
KLLV in Breen, Colorado
KNUI in Wailuku, Hawaii
KOAC in Corvallis, Oregon
KRAI in Craig, Colorado
KTRS in Saint Louis, Missouri
KTSA in San Antonio, Texas
KTZN in Anchorage, Alaska
KUZZ in Bakersfield, California
WAME in Statesville, North Carolina
WASG in Atmore, Alabama
WAYR in Fleming Island, Florida
WDEV in Waterbury, Vermont
WDUN in Gainesville, Georgia
WGR in Buffalo, New York
WIOZ in Pinehurst, North Carolina
WKRC in Cincinnati, Ohio
WPAB in Ponce, Puerto Rico
WSAU in Wausau, Wisconsin
WSJW in Pawtucket, Rhode Island
WSVA in Harrisonburg, Virginia
CW1 in Colonia del Sacramento
YVKE in Caracas
550 AM Wikipedia (Text) CC BY-SA