+34 921 275 840: spam reports & who is calling

+34 921 275 840

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

Number with prefix 921. Review community reports, risk and comments below before answering or blocking. Browse numbers with prefix 921

High

Risk level

Telemarketing

Category

Spam reports

18 Mar 2026

Last report

921275 Segovia

Varios usuarios reportan que este número fijo realiza llamadas relacionadas con telecomunicaciones, en las que se hacen pasar por operadoras (Movistar, Yoigo, Digi) o realizan telemarketing agresivo. Buscan hablar con el titular para comunicar supuestos problemas de facturación o cambios de tarifa; en varios casos piden una grabación de voz para "aceptar" cambios o amenazan con dar de baja el servicio. Operan llamando repetidamente, colgando o dejando silencio al descolgar; algunos testimonios mencionan acentos sudamericanos/argentinos y hay quien indica que no se identifican.

Likely purpose: Suplantación de compañías telefónicas y telemarketing con intento de estafa (obtención de grabaciones/consentimiento para cambios de tarifa)

Most common user complaints

se hacen pasar por Movistar, preguntan si he tenido problemas con la facturación, tarifas altas, etc.
haciéndose pasar por Yoigo y q me iban a dar de baja
Quieren una grabación de tu voz indicando que estás de acuerdo porque dicen que te han enviado un email y que no has contestado.
LLama muy a menudo: al descolgar o emite un ruido molestísimo o, directamente, cuelgan desde el otro lado.
Telemarketing.Y no te dicen la compañía en ningún momento.

High dangerBlockMovistar, Yoigo, DigiTelecommunicationsCompany impersonationData verificationSilence when answered

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 It may contain errors or be out of date, and is not legal advice or a verified accusation against the number's owner.

Bnt Business

BNT BUSINESS, S.L.

Country:: Spain
Prefix:: 921275
Type:: Landline
Province:: Segovia
Community:: Castilla y León
Assigned since:: 11/05/2023

Recent searches

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Last 7 days

Community comments

Spam numbers with prefix 921275

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Signal summary for +34 921 275 840

+34 921 275 840 belongs to the 921 prefix and is classified as Telemarketing. This page combines 1 approved report and 40 public comments to explain the risk level.

Frequently asked questions

Who calls from +34 921 275 840?

+34 921 275 840 is a phone number with the 921 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 +34 921 275 840 a spam number?

According to the community, +34 921 275 840 has 1 report, which suggests it is likely spam. Check the risk score and comments for details.

Is it safe to call +34 921 275 840 back?

If you don't recognise the number and it has negative reports, it's best not to call +34 921 275 840 back. Avoid sharing personal or banking details with unknown numbers.

How can I block +34 921 275 840?

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 +34 921 275 840.

Where can I report a suspicious call?

You can report +34 921 275 840 directly on this page using the report button. Your contribution helps other users identify unwanted calls.