01740 477002
Spam3 or 4 days of constant calls from this number. Answered once and caller hung up.
1 report
• Last report 21 minutes ago
This number is a non-geographic landline number operated by Colt Technology Services. The overall user rating for this number is Neutral. The number 03030804905 has been searched 35 times, with 2 user comments helping to identify the caller's intent.
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At a glance
Community signals
- Community rating: Neutral
- User reports: 2 user reports
- Searches: 35
- Last reported: 8 months ago
- First reported: 10 months ago
- Typical call time: before 10am (58% of calls)
Number profile
- UK format: 0303 080 4905
- International: +443030804905
- Number type: Non-geographic landline
- Carrier: Colt Technology Services
- Area: Non-geographic
- Area code: 0303
User Reports (2)
Your reports help others decide whether to answer calls from this number. Share your experience to help the community!
Unknown Caller
20 Sep 2025
The caller knew my name but I was unable to hear who he said was ringing. He asked if it was a convenient time to ring but I said no. He said he would ring me again
Reported locations
Reported from 21 UK cities
Sheffield, London, Blackburn, London (City of Westminster), Irlam, Lancing, Cricklewood, Sutton, Drymen, London (Colindale), Inverness, Luton, Bolney, Wrexham, Welling, Torquay, Wath upon Dearne, Kirkby, Wisbech, Cardiff, Leyburn
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 0303 080 4905 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 0303 080 4905
- 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
07735 069579
Unknown CallerCalled me twice and hang up immediately after first ring.
1 report
• Last report 24 minutes ago
01788 643448
Unknown CallerTime water
2 reports
• Last report 33 minutes ago
020 8089 0481
Unknown CallerAnother silent call and no message left on answer phone again
5 reports
• Last report about 2 hours ago
020 3002 4117
Unknown CallerThey’ve called me 4 times in the last 2 days. Never leave a voicemail but unsure who it is as refuse to answer it.
3 reports
• Last report about 2 hours ago
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Call Costs
Calling 03030804905 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 03030804905 directly.
International callers should dial +44 303 080 4905 or 0044 303 080 4905. No leading zero is required when dialling abroad, e.g., +44(0)3030804905.