550 AM

The following radio stations broadcast on AM frequency 550 kHz, which the Federal Communications Commission classifies as a regional frequency.

Argentina

 * La Primera in Neuquén, Neuquén. (still have no call sign assigned)

Bolivia

 * CP 153 in La Paz

Brazil

 * 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

Chile

 * CD-055 in Angol

Colombia

 * HJHF in Marinilla
 * HJR22 in Santa Marta
 * HJR36 in Mitú
 * HJZQ in Neiva

Cuba

 * CMBV in Wajay

El Salvador

 * YSFG in Sonsonate

Guatemala (Channel 2)

 * TGRV in San Pedro Sacatepéquez

Honduras

 * HRH in Tegucigalpa

Jamaica

 * RJR in Montego Bay

Ecuador

 * HJHF in Maranilla
 * HCGB1 in Quito

Mexico

 * XEHLL-AM in Salina Cruz, Oaxaca
 * XEPL-AM in Cd. Cuauhtémoc, Chihuahua
 * XEGNAY-AM in Tepic, Nayarit

Nicaragua

 * YNR1 in Chichigalpa

Paraguay

 * 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

Uruguay

 * CW1 in Colonia del Sacramento

Venezuela

 * YVKE in Caracas