936097171: what is this number and why is it calling you

The number 936097171 belongs to a block marketed by COLT Technology Services since 2019. Learn who is calling, how to block it, and where to report unwanted calls.

Mario Quintana Belmonte
· 6 min read

The number 936097171 is a phone number that generates frequent searches on the internet, generally because people who receive it want to know its origin and purpose. If you have arrived here, it is likely that you have received a call from this number and want to clarify what is behind it.

What is known about 936097171

The number 936097171 belongs to the numeric block 9360971, which has been marketed by COLT Technology Services, S.A. Unipersonal since December 18, 2019. This information comes from public records of telephone number assignments in Spain. The block 9360971 is part of the Spanish geographic numbering, specifically from zone 93, which corresponds to Barcelona and its metropolitan area.

The numbers that share this block are conventional telephone numbers assigned by the Spanish Administration to authorized operators. In this case, COLT Technology Services is a telecommunications company that acts as an alternative telecommunications operator in Spain. The fact that the number is marketed by this company does not alone indicate the specific origin of the calls you receive, as the company may provide services to multiple clients.

It is important to understand that there is no publicly verified information about which specific entity uses this number to make calls. The record only confirms that it belongs to the block assigned to COLT Technology Services, but that does not mean that the company itself is the one calling, rather it could be any client who has contracted services with them.

What those who have received it say

People who report having received calls from 936097171 describe varied experiences. In the complaint records of specialized databases on spam numbers, this number appears reported by users who indicate having received unsolicited commercial calls. However, not all calls from this number are necessarily of the same nature nor do they come from the same sender.

The affected individuals who share their experiences mainly mention that they receive calls without leaving a voicemail, or commercial calls about various services. Some users indicate that when they return the call, no one answers, which fuels the suspicion that it may be automated campaigns or mass calling systems. Others report that it identifies itself as a service company, although the information is not always clear or consistent among the different reports.

The variability in testimonies suggests that the number could be used by different entities or for different purposes, or that some calls come from automatic calling systems that generate calls to batches of numbers without a specific verifiable commercial intent.

Is it a legitimate call or spam?

Determining whether calls from 936097171 are legitimate or spam is not straightforward without further context. What can be stated is that many users report it as problematic, but this does not equate to confirming that it is a fraudulent or scam number.

Unsolicited commercial calls are a very common nuisance in Spain. If you receive calls from this number and have not contracted any service with COLT Technology Services or its clients, it is likely that it is a call center conducting mass commercial campaigns. This is not illegal in itself, but it does constitute a practice that violates regulations on commercial calls when there is no prior consent.

On the other hand, if you remember having completed an online form, participated in a raffle, or provided your number to a company, it is possible that the number has passed into the hands of lead database managers who sell it to telemarketing companies. In that case, the call would be legitimate from a technical standpoint, although uncomfortable.

The most prudent recommendation is not to automatically return the call if you do not recognize who is calling, and especially not to press numbers that the call suggests to "stop receiving calls" or "speak to an operator", as this confirms that your number is active and may increase the volume of future calls.

What to do if you receive a call from this number

If you have received a call from 936097171 and want to act effectively, here are several steps you can follow:

First, do not return the call if you are unsure who it is. Many automatic telemarketing campaigns are activated when they detect that the destination number returns the call, which confirms that your line is active and responsive.

If the call has bothered you or you want to know more, you can try answering during the call and directly ask who is calling, from which company, and what the reason for the call is. Many times operators will state the name of their company or at least allow you to better understand the context. If later you want them not to call you again, explicitly ask them to remove your number from their database.

Document the information: note the date and time of the call, and if possible, the content of what was said. This information will be useful if you decide to file a formal complaint.

How to block it and where to report

Blocking the number 936097171 is simple and can be done directly from your mobile phone:

On Android: open the Phone app, find the number 936097171 in your call history, press and hold it, and select the option "Block number" or "Add to blocked list". Some versions of Android also allow you to access Settings > Apps > Phone > Blocked Numbers to manage the list manually.

On iPhone: go to the Phone app, locate the number in the history, tap on the information icon (the "i" in a circle), and scroll down to find the option "Block this contact". Confirm the action and the number will be blocked.

In addition to blocking the number, you can register your number on the Robinson List, which is a public Spanish registry of users who wish not to receive unsolicited commercial calls. Telemarketing companies are legally required to respect this list. You can register for free at www.listarobinson.es.

If you believe that the calls constitute harassment or infringe your rights, you can file a complaint with the Spanish Agency for Data Protection (AEPD) or the Organisation of Consumers and Users (OCU). The AEPD is the authority responsible for ensuring that your rights regarding personal data protection and commercial call treatment are respected. Both organizations have specific forms to report unwanted calls and conduct investigations into patterns of abuse.

You can also report the number on specialized platforms in spam number databases, so that other users have information about it and can make informed decisions before answering.

Publish an article about your company

An opening, a launch, an award: we publish it as a story, with a permanent URL. Institutions and associations can also send us their statements.

See how →