+34 603 343 811

Risk level: Low

Who is this? Spam, telemarketing or a legitimate call? Community reports in Spain.

Number with prefix 603. Review community reports, risk and comments below before answering or blocking. Browse numbers with prefix 603

High
Risk level
Scam
Category
1
Spam reports
18 Mar 2026
Last report

An entity posing as Booking.com calls with an automated robot announcing an €800 prize, and asks the user to add their number to WhatsApp to claim it.

Likely purpose: Obtain the user's WhatsApp number and personal data under the pretext of an €800 Booking.com prize.

Most common user complaints

  • estafa, te llama un robot pidiendo que agregues el nr a whatsapp
  • Estafa, fraude de Booking.com.
  • Me pide q le agregue a wass porque he ganado 800 euros
  • Dicen que me ha tocado un premio de 800 euros de Booking, bloqueado
  • 7 llamadas perdidas seguidas, mi móvil no me dejó cogerlas porque las detectó como spam
High dangerBlockBooking.comE-commerceAutomated robocallFake prizeCompany impersonation

AI analysis: hace 22 horas

Information based on community reports and automated analysis. It may contain errors or be out of date, and is not legal advice or a verified accusation against the number's owner.

Yoigo logo

Yoigo

XFERA MÓVILES, S.A. UNIPERSONAL

Country:
ESSpain
Prefix:
6033
Type:
Mobile
Current operator
Yoigo
Previous operator
Yoigo
Current operator since
17/03/2026
Assigned since:
17/11/2022

Recent searches

4 this week

Last 7 days

Community comments

24
Anónimo
21 Mar 2026

estafa, te llama un robot pidiendo que agregues el nr a whatsapp

Anónimo
21 Mar 2026

Estafa, fraude de Booking.com.

Anónimo
21 Mar 2026

Me pide q le agregue a wass porque he ganado 800 euros

Anónimo
21 Mar 2026

Dicen que me ha tocado un premio de 800 euros de Booking, bloqueado

Anónimo
21 Mar 2026

Dicen que te ha tocado un premio de 800€ de booking Fraude seguro

1 / 5

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What happened?

Signal summary for +34 603 343 811

+34 603 343 811 belongs to the 603 prefix and is classified as Scam. This page combines 1 approved report and 24 public comments to explain the risk level.

Frequently asked questions

Who calls from +34 603 343 811?
+34 603 343 811 is a phone number with the 603 prefix in Spain. It has been reported 1 time by the community as a possible unwanted call. Check the comments to find out who might be behind this call.
Is +34 603 343 811 a spam number?
According to the community, +34 603 343 811 has 1 report, which suggests it is likely spam. Check the risk score and comments for details.
Is it safe to call +34 603 343 811 back?
If you don't recognise the number and it has negative reports, it's best not to call +34 603 343 811 back. Avoid sharing personal or banking details with unknown numbers.
How can I block +34 603 343 811?
On iPhone, go to Recents in the Phone app, tap the (i) next to the number and choose 'Block this Caller'. On Android, long-press the number in your call history and select 'Block number'. You can also use the NoCall app to automatically block calls like +34 603 343 811.
Where can I report a suspicious call?
You can report +34 603 343 811 directly on this page using the report button. Your contribution helps other users identify unwanted calls.