020 3819 9722
TelemarketerCalls at least once a day
1 report
• Last report about 4 hours ago
This number is a landline operated by Colt Technology Services and located in London, UK. The overall user rating for this number is Negative. The number 02081783790 has been searched 90 times, with 10 user comments 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: Negative
- User reports: 10 user reports
- Searches: 90
- Last reported: 5 months ago
- First reported: 10 months ago
- Typical call time: before 10am (80% of calls)
Number profile
- UK format: 020 8178 3790
- International: +442081783790
- Number type: Landline
- Carrier: Colt Technology Services
- Area: London
- Area code: 020
User Reports (10)
Your reports help others decide whether to answer calls from this number. Share your experience to help the community!
Scam/Fraud
5 months ago
Said he was from BT and calling business in our area porting over from copper line. Very pushy.
Scam/Fraud
03 Oct 2025
Claiming to be BT. Can I speak to someone about infrastructure- no-one available. Hung up, no goodbye or thanks. Defo a scammer
Scam/Fraud
23 Sep 2025
Claims to be BT head office but knows nothing about the local infrastructure. Tries to use copper lines being cut off as pressure to divulge contract details.
Scam/Fraud
17 Sep 2025
called up pretending to be form BT. said we urgently needed to take action to stop our business landline being cancelled. Said he spoke to a woman here last week.....we had no woman here last week.
Scam/Fraud
17 Sep 2025
Scammers tried to scam my customer, who i actually supply the VOIP services for. Pretended to be from BT again. Liars.
Scam/Fraud
16 Sep 2025
Nasty man saying he was from BT. Got very aggressive when we questioned his claim to be from BT. We asked him to email us with relevant identification and details of our account to prove he was genuine. He then threatened to cut us off, and then hung up!
Scam/Fraud
10 Sep 2025
Lied about being from BT...a rather nasty pushy man
Scam/Fraud
28 Aug 2025
Says he is James from BT about our phone number saying he needs to check if we moved over from copperline. Checked number with BT, definately not BT. It is Colt Technology (Communications company) Called for the first time today
Reported locations
Reported from 21 UK cities
Reading, Nailsworth, Llanellen, London, Manchester, Loudwater, Delabole, Ferryhill, Stockport, Bradford, Heslington, Ambleside, Heywood, London (City of London), Watford, Edenfield, Market Harborough, Irlam, Mallaig, Colinton, Saint Peters
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 8178 3790 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 8178 3790
- 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 02081783790 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 02081783790 directly.
International callers should dial +44 20 8178 3790 or 0044 20 8178 3790. No leading zero is required when dialling abroad, e.g., +44(0)2081783790.