+34 603 153 435

Risk level: High

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

AI Analysis

Number associated with spam and scam activities, mainly through SMS and WhatsApp. Messages attempt to impersonate family members (sons or daughters) communicating a phone number change and requesting contact via WhatsApp. Some users report attempts to extract personal information and even requests for photos. Immediate hang-up calls have also been reported, possibly to induce the victim to return the call, with the risk of malicious subscriptions.

Likely purpose: To scam or extract personal information from victims, possibly for financial or fraudulent purposes.

Most common user complaints

  • hacerse pasar por familiares
  • solicitar contacto vía WhatsApp con pretexto de cambio de número
  • intentos de extracción de información personal
  • llamadas que cuelgan inmediatamente
High dangerBlockningunaCompany impersonationMissed call

AI analysis: 27 Jul 2026

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 It may contain errors or be out of date, and is not legal advice or a verified accusation against the number's owner.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:
6031
Type:
Mobile
Current operator
Yoigo
Previous operator
Yoigo
Current operator since
17/03/2026
Assigned since:
17/11/2022

Recent searches

3 this week

Last 7 days

Community comments

8
Anónimo
5 Nov 2025

Dicen en una grabación de ponerte en contacto mediante WhatsApp

Anónimo
22 Mar 2023

me ha llegado un SMS a las 14.27 diciendo "hola mamá, mi otro teléfono está roto. Este es el nuevo número. Envíame un mensaje a través de whatsapp".

Anónimo
22 Mar 2023

Es falso es para sacar información

Anónimo
22 Mar 2023

Te ponen un mensaje que te dice “mama mi otro telef esta roto, este es el nuevo numero, mandame un mensaje de wapsap .”Es un mensaje falso .

Anónimo
15 Mar 2023

Ha suplantado a mi hijo haciéndose pasar por él diciendo q había cambiado de móvil . Me ha llegado a pedir información intima y fotos

Anónimo
15 Mar 2023

Te dejan un mensaje haciéndose pasar por tu hij@ y que les mandes un wassap

Anónimo
13 Mar 2023

Mandan mensaje haciéndose pasar por la hija. En realidad en una hija de put@

Anónimo
13 Mar 2023

Llaman y cuelgan entes de que lo cojas. Para que contestes a la llamada. Puede ser que te suscriban a alguna página maliciosa.

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What happened?

Signal summary for +34 603 153 435

+34 603 153 435 belongs to the 603 prefix and is classified as Scam. This page combines 1 approved report and 8 public comments to explain the risk level.

Frequently asked questions

Who calls from +34 603 153 435?
+34 603 153 435 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 +34 603 153 435 a spam number?
According to the community, +34 603 153 435 has 1 report, which suggests it is likely spam. Check the risk score and comments for details.
Is it safe to call +34 603 153 435 back?
If you don't recognise the number and it has negative reports, it's best not to call +34 603 153 435 back. Avoid sharing personal or banking details with unknown numbers.
How can I block +34 603 153 435?
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 +34 603 153 435.
Where can I report a suspicious call?
You can report +34 603 153 435 directly on this page using the report button. Your contribution helps other users identify unwanted calls.