020 8072 7510
Scam/FraudClaiming to be CDC with a one time pass code and a phone number of you didn't ask for it
28 reports
• Last report 10 minutes ago
This number is a landline operated by Colt Technology Services and located in London, England. The overall user rating for this number is Neutral. The number 02046213289 has been searched 11 times, with 2 user comments helping to identify the caller's intent.
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At a glance
Community signals
- Community rating: Neutral
- User reports: 2 user reports
- Searches: 11
- Last reported: 7 months ago
- First reported: 7 months ago
- Typical call time: Usually weekdays 10-12
Number profile
- UK format: 020 4621 3289
- International: +442046213289
- Number type: Landline
- Carrier: Colt Technology Services
- Area: London
- Area code: 020
User Reports (2)
Your reports help others decide whether to answer calls from this number. Share your experience to help the community!
Scam/Fraud
12 Dec 2025
Saying that Three was switching off 4G and they would provide a new 5G sim ... it seems that Three are not doing that and the number they called from is not from Three.
Reported locations
Reported from 8 UK cities
London, Britwell, Rochdale, Southport, Manchester, Newmarket, London (Shadwell), Braunstone
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 4621 3289 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 4621 3289
- 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.
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Scam/FraudHad several calls from this number and others from this company. They state they from o2 customer care suggestions...
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• Last report about 1 hour ago
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Call Costs
Calling 02046213289 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 02046213289 directly.
International callers should dial +44 20 4621 3289 or 0044 20 4621 3289. No leading zero is required when dialling abroad, e.g., +44(0)2046213289.