NoCall

+34 917 872 978

Risk level: High

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

Number with prefix 917. Review community reports, risk and comments below before answering or blocking. Browse numbers with prefix 917

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

AI Analysis

Spanish fixed-line phone number reported as spam by 15 users. Most comments mention persistent calls, some allegedly from survey companies (including Ipsos), though several users question legitimacy or complain about no response when answering. Some users received generic SMS messages.

Likely purpose: The probable purpose is telemarketing or surveys, though persistent behavior and lack of response in some interactions suggest potential spam or phishing practices.

Most common user complaints

  • llaman continuamente
  • no contestan
  • pesados
  • Spam
  • encuesta falsa
High dangerBlockIpsos (según algunos reportes, aunque no confirmado oficialmente)SurveysMissed call

AI analysis: 28 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 It may contain errors or be out of date, and is not legal advice or a verified accusation against the number's owner.

CT

Colt Technology Services

COLT TECHNOLOGY SERVICES, S.A. UNIPERSONAL

Country:
ESSpain
Prefix:
91787
Type:
Landline
Province:
Madrid
Community:
Comunidad de Madrid
Assigned since:
16/03/2000

Recent searches

1 this week

Last 7 days

Community comments

15
Anónimo
16 Dec 2025

Manda un sms con la palabra " Hola" bloqueados spam pesados

Anónimo
15 Dec 2025

Más de lo mismo una vergüenza te machacan y te llaman

Anónimo
15 Dec 2025

no para de llamar unos pesados

Anónimo
11 Dec 2025

SPAM, bloquead este Nº

Anónimo
9 Dec 2025

Ipsos para una encuesta del Banco Central dicen

Anónimo
5 Dec 2025

Spam. En horas de comida una y otra vez. No hablan. Bloquead

Anónimo
4 Dec 2025

Supuestamente empresa de encuestas. Pero muy extraño porque les pregunto cuánto tiempo es la encuesta, me dicen que depende de lo que conteste y luego son solo 2 preguntas

Anónimo
4 Dec 2025

Llaman y antes de que lo cojas, cuelgan. Así llevan semanas.

Anónimo
3 Dec 2025

Llamada spam.

Anónimo
3 Dec 2025

Llaman para hacer una encuesta, empresa Ipsos.

Anónimo
3 Dec 2025

Encuesta falsa. Insistentes.

Anónimo
3 Dec 2025

No contestan y llaman continuamente.

Anónimo
2 Dec 2025

Pesados, llaman a cada rsro

Anónimo
2 Dec 2025

Spam. No contestan

Anónimo
1 Dec 2025

Son de una empresa de encuestas, no sé si luego tendrá otra finalidad, por qué les dije que no podía

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Signal summary for +34 917 872 978

+34 917 872 978 belongs to the 917 prefix and is classified as Surveys. This page combines 1 approved report and 15 public comments to explain the risk level.

Frequently asked questions

Who calls from +34 917 872 978?
+34 917 872 978 is a phone number with the 917 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 +34 917 872 978 a spam number?
According to the community, +34 917 872 978 has 1 report, which suggests it is likely spam. Check the risk score and comments for details.
Is it safe to call +34 917 872 978 back?
If you don't recognise the number and it has negative reports, it's best not to call +34 917 872 978 back. Avoid sharing personal or banking details with unknown numbers.
How can I block +34 917 872 978?
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 +34 917 872 978.
Where can I report a suspicious call?
You can report +34 917 872 978 directly on this page using the report button. Your contribution helps other users identify unwanted calls.