NoCall

+44 121 839 003 9

Risk level: High

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

Number with prefix 121. Review community reports, risk and comments below before answering or blocking. Browse numbers with prefix 121

High
Risk level
Telemarketing
Category
0
Spam reports
—
Last report

AI Analysis

Limited information: Frequent scam calls reported, claiming to be energy advisors with potentially fraudulent intentions.

Likely purpose: Likely energy advisory scam, using scam techniques and potential AI-driven response collection.

Most common user complaints

  • Scam call
  • asking them to stop
  • energy advisor
  • AI scam
  • script
High dangerBlockningunaEnergyMissed call

AI analysis: 10 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 It may contain errors or be out of date, and is not legal advice or a verified accusation against the number's owner.

Web research

A UK based number +44 121 839 0039 appears to be a geographic number from Birmingham area (area code 0121). Public reports regarding this exact number are limited; several UK reverse lookup and spam report services exist, but none provide a definitive, high confidence owner identity for this precise line. What it appears to be: A geographic landline number registered in the UK (UK style format +44 121... ).

View full report

A UK based number +44 121 839 0039 appears to be a geographic number from Birmingham area (area code 0121). Public reports regarding this exact number are limited; several UK reverse lookup and spam report services exist, but none provide a definitive, high confidence owner identity for this precise line. 1. What it appears to be: A geographic landline number registered in the UK (UK style format +44 121...). 2. What people say online: Mixed community reports and public lookups show general risk signals for unknown numbers, but specifics for this exact number are sparse; some services display generic risk assessments for numbers in this range. 3. Association with spam/scams: No consistent, widely verified claim that this exact number is spam or scam; no definitive fraud alerts tied specifically to it. 4. Public exposure/leaks: Not clearly shown in major leaked datasets or paste sites; appears in public directory style lookups, but without strong evidence of exposure. 5. Advisability of answering: Exercise caution; if unsure, do not call back and consider screening or blocking until identity is verified.

Checked · 27 Aug 202610 sources
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

3
Anonymous
18 May 2026

Scam call. Several times a week despite asking them to stop.

Anonymous
16 May 2026

Oh look, it's my 'local energy advisor' again. I'm sure they're just here to give me free money for my 'damp' roof. Lol, not falling for it!

Anonymous
12 May 2026

Got a call from sum 'energy expert' again. As if! Soon as I heard the script, I hung up. They just want to get you to say 'yes' or sumthin for an AI scam. Be careful ppl!

Report this number

What happened?

Signal summary for +44 121 839 003 9

+44 121 839 003 9 belongs to the 121 prefix and is classified as Telemarketing. This page combines no approved reports and 3 public comments to explain the risk level.

Frequently asked questions

Who calls from +44 121 839 003 9?
+44 121 839 003 9 is a phone number with the 121 prefix in United Kingdom. It has been reported 3 times by the community as a possible unwanted call. Check the comments to find out who might be behind this call.
Is +44 121 839 003 9 a spam number?
According to the community, +44 121 839 003 9 has 3 reports, which suggests it is likely spam. Check the risk score and comments for details.
Is it safe to call +44 121 839 003 9 back?
If you don't recognise the number and it has negative reports, it's best not to call +44 121 839 003 9 back. Avoid sharing personal or banking details with unknown numbers.
How can I block +44 121 839 003 9?
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 +44 121 839 003 9.
Where can I report a suspicious call?
You can report +44 121 839 003 9 directly on this page using the report button. Your contribution helps other users identify unwanted calls.