NoCall

+34 921 275 837

Risk level: Low

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
1
Spam reports
18 Mar 2026
Last report
921275 Segovia

Número fijo con numerosos reportes que indican llamadas de telemarketing del sector telecomunicaciones. Usuarios denuncian que se hacen pasar por Movistar (también hay menciones a Vodafone y Naturgy) para ofrecer cambios de router, descuentos o recabar datos personales; con frecuencia cuelgan, no responden o hay locuciones/llamadas automáticas. Los comentarios muestran llamadas repetidas e insistentes y suplantación de empresa.

Likely purpose: telemarketing para cambiar servicios de operador (router/paquetes) y recabar datos personales

Most common user complaints

  • Llaman pero no contestan. Parece típico fraude de vendedores de algo. Yo lo he bloqueado
  • descuelgas y no hablan
  • Nadie contesta, se quedan esperando y al final una locución en puto inglés te dice "goodbye"
  • dicen ser de Movistar,me quieren cambiar el router a 5g gratis ,el nombre y direccion son correctos,me dicen que si soy mayor de 60 años tengo un descuento de entre un 10 a 20%,me piden el numero de movil para que el servicio tecnico se ponga en contacto conmigo,que si tengo solo este movil,que si tengo futbol en Movistar y cuanto pago,al ver estas preguntas, les digo como es que me pidan esta informacion que ya tienen, y me cuelgan.Debe ser otra compañia para intentar que cambie
  • se hacen pasar por movistar. Voy a la tienda y me dicen que no son ellos. Desde la tienda tambien denuncian este numero.
High dangerBlockMovistarTelecommunicationsCompany impersonationAutomated robocallData 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 It may contain errors or be out of date, and is not legal advice or a verified accusation against the number's owner.

BB

Bnt Business

BNT BUSINESS, S.L.

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

Recent searches

6 this week

Last 7 days

Community comments

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Signal summary for +34 921 275 837

+34 921 275 837 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 +34 921 275 837?
+34 921 275 837 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 +34 921 275 837 a spam number?
According to the community, +34 921 275 837 has 1 report, which suggests it is likely spam. Check the risk score and comments for details.
Is it safe to call +34 921 275 837 back?
If you don't recognise the number and it has negative reports, it's best not to call +34 921 275 837 back. Avoid sharing personal or banking details with unknown numbers.
How can I block +34 921 275 837?
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 +34 921 275 837.
Where can I report a suspicious call?
You can report +34 921 275 837 directly on this page using the report button. Your contribution helps other users identify unwanted calls.