029 2254 1645
Unknown CallerThey rang but said nothing then after a short break I said hello they put the phone down
1 report
• Last report 2 minutes ago
This number is a landline operated by Colt Technology Services and located in London, UK. The overall user rating for this number is Neutral. The number 02075517431 has been searched 5 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: 5
- Last reported: 10 months ago
- First reported: 10 months ago
- Typical call time: Usually weekdays 10-12
Number profile
- UK format: 020 7551 7431
- International: +442075517431
- Number type: Landline
- Carrier: Colt Technology Services
- Area: London
- Area code: 020
User Reports (1)
Your reports help others decide whether to answer calls from this number. Share your experience to help the community!
Scam/Fraud
19 Aug 2025
Indian lady called Mary, claimed to be from 3 Mobile saying they were sending everyone new SIM cards because of 3's recent problems. I contacted 3 directly and they said it was a scam.
Reported locations
Reported from 3 UK cities
Hoddesdon, London (South Bank), Preston
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 7551 7431 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 7551 7431
- 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
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Scam/FraudMiossed call - I called back - "The number youy have dialled is not in service ..." message => definietely a scammer.
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• Last report 6 minutes ago
07860 006999
Unknown CallerSamr with me google play
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07858 631165
SpamLeft a voicemail asking me to add her number on what’s app! My phone told me this was suspected scam!
4 reports
• Last report 31 minutes ago
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Call Costs
Calling 02075517431 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 02075517431 directly.
International callers should dial +44 20 7551 7431 or 0044 20 7551 7431. No leading zero is required when dialling abroad, e.g., +44(0)2075517431.