Spain will prohibit calls from abroad with falsified Spanish numbering

To prevent Telephone scams In our country, it has been published in the BOE a New measures series that They intend to end theseor at least put it much more difficult. From June 7 Telephone operators in Spain will have to Block the incoming calls from abroad have Spanish numbering. In addition, they have been implemented Other measures that will complement this so that the Technique known as Cli Spoofing Be a lot more complicated.

Cli spoofing is the technique used by cybercriminals to falsify the cli by adding a Spanish number and known, generally using known Spanish banks or companies, to Gain confidence of the user they call. Thus, operators who detect a call from abroad and have Spanish numbering They will be blocked.

This entails some Exceptionslike the call centers located outside Spain and that operate under a company in our country, which will have to have An authorization of the Det (Secretary of State of Telecommunications and Digital Infrastructure), also They will allow calls from Roamingsomething that may use Users with bad intentions to break this security barrier imposed by the government.

In addition to this main measure, Commercial SMS They will have to have a alphanumeric identifier assigned by CNMCand directly They will block those who Do not have this. The Commercial calls originated with mobile numbershaving an obligation to perform them through Spanish or free automatic reversal collection numbers (free numbers 900 and 800). The latter considering that Commercial calls are prohibited For more than 2 years Without consent User express.

The entry into force of these regulations will begin As of March 7 for Block calls from abroad and how deadline on June 7as well as Commercial calls from national numbers or numbers 900 and 800. for commercial messages that must have a CNMC identifier the date of entry into force is within 1 year and 3 monthson June 7, 2026.