Radio Once 1120 AM

WMSW (1120 AM), branded as "Radio Once 1120 AM", is a News/Talk radio station licensed to Hatillo, PR, and serves the Puerto Rico radio market. The station is currently owned by Aurora Broadcasting Corporation.

• Call sign: WMSW
• Frequency: 1120 AM
• City of license: Hatillo, PR
• Format: News/Talk
• Owner: Aurora Broadcasting Corporation
• Area Served: Puerto Rico

Contact

• Phone number: +1 787-439-5144