0331 630 8949
Unknown CallerObviously an auto dialer , cancelled after 4 rings.
6 reports
• Last report 1 minute ago
This number is a landline operated by TalkTalk Communications Limited and located in London, UK. The overall user rating for this number is Neutral. The number 02034177821 has been searched 262 times, with 1 user comment helping to identify the caller's intent.
Your comment helps others identify this number. Thank you for contributing!
At a glance
Community signals
- Community rating: Neutral
- User reports: 1 user report
- Searches: 262
- Last reported: over 11 years ago
- First reported: over 11 years ago
- Typical call time: before 12pm (85% of calls)
Number profile
- UK format: 020 3417 7821
- International: +442034177821
- Number type: Landline
- Carrier: TalkTalk Communications Limited
- Area: London
- Area code: 020
- Trending since: 09 Jul 2026
User Reports (1)
Your reports help others decide whether to answer calls from this number. Share your experience to help the community!
Unknown Caller
Twig
26 Feb 2015
Vanquis. They don't stop. I have a card that's never used and they call me all the time. I've now blocked the number.
Reported locations
Reported from 21 UK cities
Bellshill, Upper Norwood, Basingstoke, Birmingham, Milton Keynes, Pontefract, Grantham, Brighton, Earls Court, Letchworth, Watford, Bearsden, Luton, Westminster, Uddingston, Whitchurch, Leeds, Chingford, Wellingborough, London, Briton Ferry
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3417 7821 and tap the info icon (i)
- Scroll down and tap Block this Caller
- Confirm by tapping Block Contact
On Android
- Open the Phone app and tap the 3-dot menu
- Go to Call history or Recents
- Long press on 020 3417 7821
- Select Block number or Block/report spam
On Landline Phones
Several options are available for UK landlines:
- BT Call Protect - free for BT customers
- TalkTalk CallSafe - free for TalkTalk customers
- Call blocking devices like CPR Call Blocker (available on Amazon)
Register with TPS (Telephone Preference Service)
The TPS is a free service for UK consumers that allows you to opt out of unsolicited sales and marketing calls.
Learn more about TPS registrationLatest reports
01733 304832
Unknown CallerThey wouldn’t tell me the name of the company. It was a cal centre
1 report
• Last report 8 minutes ago
07449 318001
Scam/FraudSeems to be a scam. Asked me to confirm purchases made on my bank card
1 report
• Last report 9 minutes ago
020 3807 4117
SpamKeeps calling and hanging up
5 reports
• Last report 11 minutes ago
0114 550 7694
Scam/FraudSimilar to other callers - claim to be from Three and will send a new sim card etc. Clearly a Scam.
4 reports
• Last report 12 minutes ago
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Recommended Guides
Call Costs
Calling 02034177821 from a landline may cost up to 16p per minute. Many providers charge a 23p call set-up fee. Call packages often include these types of calls. You might not incur additional charges for calling this number, depending on your provider.
Dialling Instructions
Local UK callers can dial 02034177821 directly.
International callers should dial +44 20 3417 7821 or 0044 20 3417 7821. No leading zero is required when dialling abroad, e.g., +44(0)2034177821.