+34 603 104 428: spam reports & who is calling

+34 603 104 428

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

Low

Risk level

Spam

Category

Spam reports

18 Mar 2026

Last report

Información limitada: origen y sector desconocidos. Un usuario informa que el número "llama solo para verificar quien contestan" y que están "sin contestar cuando llaman" (no responden al descolgar). Según el comentario, operan realizando llamadas con silencio al contestar, que el usuario califica como "sospechosamente estafadora".

Likely purpose: verificar quién contesta

Most common user complaints

sin contestar cuando llaman
llama solo para verificar quien contestan
Llamada sospechosamente estafadora.

Low dangerIgnoreSilence when answeredData verification

AI analysis: 6 may 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 It may contain errors or be out of date, and is not legal advice or a verified accusation against the number's owner.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

XFERA MÓVILES, S.A. UNIPERSONAL

Country:: Spain
Prefix:: 6031
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

Spam numbers with prefix 6031

See all with prefix 603

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Signal summary for +34 603 104 428

+34 603 104 428 belongs to the 603 prefix and is classified as Spam. This page combines 1 approved report and 2 public comments to explain the risk level.

Frequently asked questions

Who calls from +34 603 104 428?

+34 603 104 428 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 +34 603 104 428 a spam number?

According to the community, +34 603 104 428 has 1 report, which suggests it is likely spam. Check the risk score and comments for details.

Is it safe to call +34 603 104 428 back?

If you don't recognise the number and it has negative reports, it's best not to call +34 603 104 428 back. Avoid sharing personal or banking details with unknown numbers.

How can I block +34 603 104 428?

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 +34 603 104 428.

Where can I report a suspicious call?

You can report +34 603 104 428 directly on this page using the report button. Your contribution helps other users identify unwanted calls.