Since October 17, commercial calls in Spain must use the prefix 400, which allows users to immediately identify these communications and combat phone spam. #Prefijo400 #LlamadasComerciales #SpamTelefónico (translated)

Since October 17, commercial calls in Spain must use the prefix 400, which allows users to immediately identify these communications and combat phone spam. #Prefijo400 #LlamadasComerciales #SpamTelefónico (translated)

Starting this Saturday, Spain will implement the prefix 400 to identify commercial calls and allow citizens to distinguish them from other types of communications, in an effort to reduce telephone spam and improve consumer protection. #LlamadasComerciales #SpamTelefonico #Prefijo400 (translated)

Starting this Saturday, all commercial calls in Spain must begin with the prefix 400 to facilitate their identification and combat phone spam, and operators will be required to block those that do not comply with this regulation. #Prefijo400 #SpamTelefonico #AtencionAlCliente (translated)

Starting this Saturday, all commercial calls must begin with the prefix 400, as part of new measures to combat phone spam in Spain, allowing consumers to report those that do not comply with this regulation. #spamtelefonico #telecomunicaciones #denuncias (translated)
