020 8072 7510
Unknown CallerCDC one time pass code
26 reports
• Last report about 1 hour 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 02046219138 has been searched 28 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: 28
- Last reported: 11 months ago
- First reported: 11 months ago
- Typical call time: before 1pm (95% of calls)
Number profile
- UK format: 020 4621 9138
- International: +442046219138
- 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
02 Aug 2025
This number called me today saying that they were from EE, the questions they asked I believe this call to be a scam
Reported locations
Reported from 18 UK cities
Murton, Friern Barnet, Paisley, Canterbury, London, Welwyn Garden City, Overcombe, Newdigate, Horsford, Walton on Thames, Gosforth, Bartley Green, Hutton Magna, Finchley, Maghull, Cleveleys, Manchester, East Sheen
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 4621 9138 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 9138
- 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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Call Costs
Calling 02046219138 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 02046219138 directly.
International callers should dial +44 20 4621 9138 or 0044 20 4621 9138. No leading zero is required when dialling abroad, e.g., +44(0)2046219138.