The number 621141004 appears in multiple reports from Spanish users as being linked to identity theft and phone fraud operations. It is a mobile number associated with República Móvil that has generated hundreds of reports on specialised platforms for unwanted call alerts.
People who have received calls from 621141004 describe well-coordinated attempts at deception. The scammers present themselves as representatives of energy companies, mainly Endesa and Iberdrola, although impersonations of telecom operators like O2 have also been reported. The goal is typically to obtain sensitive personal data, convince the victim to change service providers, or authorise changes to existing contracts.
What is known about 621141004
There is no verified information about who directly operates this number. However, complaint records show that it belongs to the República Móvil network in Spain and is part of what multiple users describe as a coordinated vishing operation. The persistence of the calls, even when users have tried to block the number, suggests that those behind it use multiple mobile numbers interchangeably.
What distinguishes this number is that it is specifically associated with fraud attempts linked to supply and telecommunications companies. Users who have reported it indicate that the callers have partial information about customers, such as name or address, which reinforces the suspicion that data has been obtained from public sources or compromised databases.
What those who have received calls say
Affected individuals who have reported calls from 621141004 describe a consistent pattern. The call begins with the person introducing themselves as an employee of an energy company, creating urgency by mentioning alleged payment defaults or changes in billing. The caller asks for confirmation of personal data, customer number, or banking information.
A detail reported by several users is that when denying their participation in the call or warning that they might be committing a crime, the scammers insist aggressively and even hang up the call. Some affected individuals mention that they have received multiple calls from the same operator from slightly different numbers but with the same prefix.
The evaluations recorded on telephone alert platforms classify 621141004 as a unreliable number potentially linked to fraud. Users recommend not returning the call and not providing any personal information. There are also reports of harassment from users who attempted to answer to report the activity.
Is it a legitimate call or spam?
The available records indicate that calls from 621141004 do not come from legitimate channels of the companies being impersonated. Companies like Endesa, Iberdrola, or O2 have verified contact protocols and never request sensitive information by phone unsolicited.
Indicators of fraud identified by users include insistence on personal information, artificial time pressure, requests for banking data, and aggressiveness when the legitimacy of the call is questioned. Additionally, users report that the audio quality is often poor and that the caller has an accent that does not correspond with employees of established Spanish companies.
The activity is classified as vishing, a term that describes identity theft via telephone for fraudulent purposes. This type of operation violates data protection regulations and constitutes a crime under the Spanish penal code.
What to do if you receive a call from this number
If you receive a call from 621141004 or similar numbers, the immediate recommendation is to hang up without providing any information. Do not even confirm your full name or phone number, even if the caller claims to already have them.
If the call is about a supposed problem with your electricity, water, or phone bill, contact the relevant company directly using the official phone number that appears on your bill or on their website. Never return a call to a number you do not recognise, especially if it is a premium rate number, as some scammers use numbers that incur additional costs.
If you have provided personal data during a suspicious call, inform your bank and the service company that supposedly called you immediately. Monitor your account over the next few months for unauthorized transactions. Also consider changing your passwords if the scammers gained access to information that could be relevant.
How to block it and where to report
Blocking on Android: open the Phone app, locate the number 621141004 in the call history, press and hold, select "Block number" and confirm. You can also do this from the Contacts app: select the number, press the options menu, and choose the block option.
Blocking on iPhone: open the Phone app, find the number in the history, swipe left on 621141004, tap the more options icon (three dots), and select "Block this contact." You can also go to Settings > Phone > Blocked Contacts and add the number manually.
Regardless of the type of phone, also consider registering with the Robinson List, a service that allows you to reject unwanted commercial communications. You can do this at www.listarobinson.es for free.
To report fraudulent calls from 621141004 or related numbers, go to the Spanish Data Protection Agency (AEPD) at www.aepd.es. You can also file a complaint with the Consumers and Users Organisation (OCU) at www.ocu.org. Both institutions record complaints about vishing and identity theft activities.
If you have evidence that your personal information has been used without consent, consider also reporting to the Civil Guard or the National Police, which have departments specialised in phone fraud. Keep records of the calls, dates, and times, as well as any emails or messages you have received related to the activity.
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