020 3298 0746
SpamClaimed to be from 3. They would cancel my SIM if I didnt agree to receive a 5g SIM to my address
5 reports
• Last report 3 minutes ago
This number is a freephone number operated by Vodafone Ltd (C&W). The overall user rating for this number is Neutral. The number 08081723535 has been searched 1009 times, with 5 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: Neutral
- User reports: 5 user reports
- Searches: 1009
- Last reported: about 1 month ago
- First reported: 3 months ago
- Typical call time: before 1pm (94% of calls)
Number profile
- UK format: 0808 172 3535
- International: +448081723535
- Number type: Freephone
- Carrier: Vodafone Ltd (C&W)
- Area: Freephone number
- Area code: 0808
- Trending since: 18 May 2026
User Reports (5)
Your reports help others decide whether to answer calls from this number. Share your experience to help the community!
Unknown Caller
1 month ago
2 Jul 26: 0808 172 3535 cold call claiming to be Octopus Energy.
Unknown Caller
2 months ago
I've had a couple of calls from this number they said they are from sky I told them I wasn't interested in any offers or upgrades and they are still calling not sure of they are legitimate
Legitimate
3 months ago
This is octopus Energy billing department
Caller: Octopus energy
Reported locations
Reported from 21 UK cities
London, Herne Bay, Sutton, Bromborough, Acton, Blaydon, Hoole, Yeovil, Bristol, Darlaston, Wellington, Southport, Kings Lynn, London (Shadwell), Ayr, Edinburgh, Gravesend, King's Cross, Pembroke, Portsmouth, Brighton
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 0808 172 3535 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 0808 172 3535
- 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 3504 2823
Unknown CallerThey said they where three and said my sims getting cut off in a couple days is it a scam call or
2 reports
• Last report 5 minutes ago
01722 695310
Unknown CallerThe number keeps calling me 7 times in a day
4 reports
• Last report 8 minutes ago
020 4620 5506
Unknown CallerCaller said nothing as call guard intercepted the call.
3 reports
• Last report 8 minutes ago
0151 203 0963
Scam/FraudThats spam. He asking me any leaks or ur home and stuff like that and after tha cut that call
5 reports
• Last report 12 minutes ago
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Call Costs
Calling 08081723535 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 08081723535 directly.
International callers should dial +44 808 172 3535 or 0044 808 172 3535. No leading zero is required when dialling abroad, e.g., +44(0)8081723535.