NoCall

+44 20 3991 9921

Risk level: Medium

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

Medium
Risk level
—
Category
0
Spam reports
—
Last report

AI Analysis

Limited information: This UK number has been reported for alleged scam activities impersonating Carphone Warehouse, with users describing the caller as rude and persistent.

Likely purpose: Likely purpose: Unsolicited telemarketing scam, impersonating Carphone Warehouse.

Most common user complaints

  • rude
  • wouldn't stop talking
  • Total scam
Medium dangerCautionImpersonation detectedCarphone Warehouse (impersonado)TechnologyMissed call

AI analysis: 10 Jul 2026

Summarize this NoCall number with

ChatGPTClaudeGrokPerplexityGoogle AI

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 It may contain errors or be out of date, and is not legal advice or a verified accusation against the number's owner.

GB

United Kingdom

Operator information

Country:
GBUnited Kingdom
Prefix:
+44
Type:
Other
Operator:
EE, O2, Vodafone, Three

Recent searches

2 this week

Last 7 days

Community comments

9
Anonymous

Again, Persistent sales calls and also every single day

Anonymous

Yet another one: Rings once and hangs up, and worst of all even after blocking!!

Anonymous

Another call from this number: Telemarketing at its worst; also even after blocking

Anonymous

Calls day and night, plus every single day

Anonymous

Yesterday Always at the same hours; also without leaving a message

Anonymous

Again, Calls day and night; also even after blocking.

Anonymous

Sales pitch after sales pitch, and on top of that always at the same time

Anonymous

This guy called, sayin he was from Carphone Warehouse, but was SO rude! He wouldn't stop talkin' even when I said no. Total scam, block this number.

Anonymous

This guy called, sayin he was from Carphone Warehouse. Total scam! He wouldn't shut up, so rude! I hung up on him, blocked the number. Don't answer.

Report this number

What happened?

Signal summary for +44 20 3991 9921

+44 20 3991 9921 belongs to the 203 prefix and is classified as unclassified calls. This page combines no approved reports and 9 public comments to explain the risk level.

Frequently asked questions

Who calls from +44 20 3991 9921?
+44 20 3991 9921 is a phone number with the 203 prefix in United Kingdom. It has no spam reports yet, but you can check other users' comments below. Check the comments to find out who might be behind this call.
Is +44 20 3991 9921 a spam number?
There aren't enough reports yet to confirm whether +44 20 3991 9921 is spam. Check the risk score and the community comments.
Is it safe to call +44 20 3991 9921 back?
If you don't recognise the number and it has negative reports, it's best not to call +44 20 3991 9921 back. Avoid sharing personal or banking details with unknown numbers.
How can I block +44 20 3991 9921?
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 +44 20 3991 9921.
Where can I report a suspicious call?
You can report +44 20 3991 9921 directly on this page using the report button. Your contribution helps other users identify unwanted calls.