443303035320
Unknown
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O2 upgrade calls – should you answer?
Summary — +443303035320
Caller Name: O2
Caller Type: Telemarketing
Location: United Kingdom
Reviews: 79
Carrier: —, Region: —
Expert Opinion
Beware of persistent calls claiming to be from O2. Many users report the same number repeatedly offering upgrades or tariff changes, often without confirming the caller’s identity. These calls can feel aggressive and may be part of a third‑party marketing operation rather than the genuine network. If you receive such a call, hang up and verify directly with O2 using an official contact number. Register the number on the Do Not Call list, block it on your handset and report suspicious activity to your provider. Avoid sharing personal details until you’re certain the call is legitimate.
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Details
Location: United Kingdom
Number type: ratings.phone_number_type_list.9
Rate this number — +443303035320
Recent Reports for 0330 303 5320
443303035320
Harassment Call
I've recieved unsolicited calls from this number again, despite being told not to ring, this is definately harassment, my number is for personel use only, not for yours to use😡
443303035320
Other
repeated calls
443303035320
Spam
This number know my name and phone type
443303035320
Other
offensive message left
Genuine call from O2 confirmed
443303035320
Spam
Daily calls are becoming extremely annoying
443303035320
Unknown
Multiple blockings reported
Unknown caller ID
O2 looking for business
O2 network
Spam from o2 network
Legitimate O2 representative helped me
Genuine O2 sales call
443303035320
Telemarketing
received cold call
02 claimed as caller
Fraudulent activity reported
official O2 number
Sales pitch
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