020 4572 3649
Unknown CallerSilent call
1 report
• Last report 7 minutes ago
This number is a landline operated by Colt Technology Services and located in Watford, England. The overall user rating for this number is Negative. The number 01923988599 has been searched 52 times, with 2 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: 2 user reports
- Searches: 52
- Last reported: 22 minutes ago
- First reported: 1 day ago
- Typical call time: after 2pm (90% of calls)
Number profile
- UK format: 01923 988599
- International: +441923988599
- Number type: Landline
- Carrier: Colt Technology Services
- Area: Watford
- Area code: 01923
User Reports (2)
Your reports help others decide whether to answer calls from this number. Share your experience to help the community!
Reported locations
Reported from 21 UK cities
Montrose, Leverstock Green, Failsworth, Rickmansworth, Batley, Bushey, Southall, London, North Watford, Farnborough, North Marston, Yate, Apsley, Kings Lynn, Northampton, Blackburn, West Ealing, Orgreave, Garston, Cricklewood, Woburn Sands
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 01923 988599 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 01923 988599
- 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
0333 443 8368
Unknown CallerContinuously ring throughout day. When you answer they hang up.
1 report
• Last report 10 minutes ago
01234 924059
Scam/FraudCalled me and didn't say anything
1 report
• Last report 13 minutes ago
0113 868 7828
Unknown CallerNuisance call. No message left.
1 report
• Last report 16 minutes ago
0121 669 1688
Scam/FraudI didn't answer the phonecall (it came up as Suspected spam). The number will now be blocked.
3 reports
• Last report 19 minutes ago
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Call Costs
Calling 01923988599 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 01923988599 directly.
International callers should dial +44 1923 988599 or 0044 1923 988599. No leading zero is required when dialling abroad, e.g., +44(0)1923988599.