Legitimate
06 Nov 2025
Curaleaf
Community overview
Community rating:
Positive
4 user reports
First reported 10 Mar 2023
·
Last reported
11 months
ago
About this number
Number formats
- UK format: 020 4538 4255
- International: +44 20 4538 4255
Number details
- Number type: Landline
- Number range allocated to: Twilio Ireland Limited
- Area: London
- Area code: 020
Reported categories
Based on 4 public user reports
Legitimate
100% (4)
User Reports (4)
Legitimate
25 Jan 2024
Can also confirm it's Curaleaf (formerly known as Sapphire Medical Clinics)
Legitimate
16 Oct 2023
Sapphire Clinics
Legitimate
10 Mar 2023
This number is Sapphire Medical clinic.
Report this number: 020 4538 4255
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 4538 4255 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 4538 4255
- 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)
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