0333 050 4023
SpamSpammer, kept calling multiple times in a row
3 reports
• Last report 8 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 Negative. The number 02036557017 has been searched 258 times, with 3 user comments helping to identify the caller's intent.
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At a glance
Community signals
- User reports: 3 user reports
- Searches: 258
- Last reported: 8 months ago
- First reported: over 1 year ago
- Typical call time: before 3pm (97% of calls)
Number profile
- UK format: 020 3655 7017
- International: +442036557017
- Number type: Landline
- Carrier: Colt Technology Services
- Area: London
- Area code: 020
User Reports (3)
Your reports help others decide whether to answer calls from this number. Share your experience to help the community!
Scam/Fraud
17 Sep 2025
Rang a work number and left a message. I am a contractor at the company and work remotely so no one calls me. I have not opened it - may be a virus. It's certainly spam. It's the second one this week. I just delete all unsolicited emails and things of this nature.
Telemarketer
31 Jul 2025
Call from Dell asking to speak to a retired director. Then wanted to speak to IT. Basically a marketing call, was very persistant and wouldn't shut up, told him I wasn't interested.
Telemarketer
14 Nov 2024
Claimed to want to set up a teams meeting with Dell supplier
Reported locations
Reported from 21 UK cities
London, Chigwell, Leeds, Stockton-on-Tees, Acton, Grays, Swadlincote, Harlow, Balham, Hackney, Glasgow, Manchester, Edinburgh, Sheffield, Coton, Nuneaton, Newcastle upon Tyne, Halifax, Chesterton, Birmingham, Shepshed
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3655 7017 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 3655 7017
- 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
020 3922 0559
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1 report
• Last report 13 minutes ago
07939 404685
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3 reports
• Last report 15 minutes ago
020 3972 2661
Scam/FraudClaims to be O2 but can't tell you your account number
1 report
• Last report 17 minutes ago
020 3932 4242
Unknown Callermessage left was garbled, couldn't understand
2 reports
• Last report 18 minutes ago
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Recommended Guides
Call Costs
Calling 02036557017 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 02036557017 directly.
International callers should dial +44 20 3655 7017 or 0044 20 3655 7017. No leading zero is required when dialling abroad, e.g., +44(0)2036557017.