07577 006415
Unknown Callercalled my mobile at 14.10 - left no message
1 report
• Last report less than a minute ago
This number is a landline operated by Colt Technology Services and located in Sunderland, UK. The overall user rating for this number is Negative. The number 01915352301 has been searched 137 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: 137
- Last reported: 4 months ago
- First reported: 6 months ago
- Typical call time: before 11am (92% of calls)
Number profile
- UK format: 0191 535 2301
- International: +441915352301
- Number type: Landline
- Carrier: Colt Technology Services
- Area: Sunderland
- Area code: 01915
User Reports (3)
Your reports help others decide whether to answer calls from this number. Share your experience to help the community!
Unknown Caller
4 months ago
As others have said. Guys pretending to be BT,
Telemarketer
4 months ago
Same as the other one, pretending to be from BT, saying they are decommissioning lines in the area
Telemarketer
20 Nov 2025
Call pretending to be be BT. They say they are decomissioning analogue lines in your area and that you are showing as still having one. It all sounds very genuine, but ultimately they are trying to gather inforamtion on your current provider with a view to trying to replace them.
Caller: Liam
Reported locations
Reported from 21 UK cities
Crowthorne, Gateshead, Manchester, Martlesham (Martlesham Heath), East Hoathly, Clipsham, Exeter (Sowton), London (South Bank), Sheffield, Kilkhampton, Faifley, Gravesend, Sproughton, Ellingham, New Alresford, Clubmoor, Kettering, Farnworth, Ashington, Warrington, Langho
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 0191 535 2301 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 0191 535 2301
- 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 01915352301 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 01915352301 directly.
International callers should dial +44 191 535 2301 or 0044 191 535 2301. No leading zero is required when dialling abroad, e.g., +44(0)1915352301.