I just got my new O2 phone on Wednesday and have been receiving calls from this number ever since, after reading some of the posts on this forum I emailed O2 to find out if they were behind the calls. Their reponse is below;
"Good morning
Thanks for your email. I understand that you've received 18 missed calls from 08458630287 whilst at work and you've realised that it's an O2 related number.
We appreciate that receiving unwanted calls on your phone can be cause for concern. Let me see what best I can do for you.
I've checked your account and I see that you haven't selected any option to receive any notification from us for marketing purpose. Unfortunately, we're unable to trace this number. If you're receiving calls from sales and marketing companies, then please register with the telephone preference service to prevent further calls. To get more information you can click on the link below:
http://www.tpsonline.org.uk/tps/ This may take up to 40 days to be fully compliant or by calling TPS Registration line on 0845 070 0707.
Please use the link below to view advice that has been compiled, in association with our nuisance call bureau to help you deal with any unwanted contacts:
http://www.o2.co.uk/services/childprote ... phonecalls If you'd like to take further action, there are two ways which we can help you:
1) Change your mobile phone number: If this is the first time you've reported receiving nuisance or malicious calls, then we can change your phone number free of charge. If you've already had your phone number changed within the past 12 months, your next number change will be charged at £35 and this cost will be applied to your next bill.
2) Investigation by the nuisance call bureau: If you don't want to change your phone number or you have had a number change in the past and this hasn't stopped the calls, we'll pass your details onto our nuisance call bureau. They'll contact you within three working days to get further information from you. Please note that this call will come from a withheld number.
Once you've considered the options carefully and decided on what you'd like to do, please reply to this email stating your preferred option. I hope this helps and if you've any further questions, please feel free to email me or visit our online Help Centre at:
http://www.o2.co.uk/support/generalhelp/help When you email us please provide: your full name, first line of address with postcode and mobile number as it helps us answer your query faster.
Kind regards
Rakesh
O2 customer service"
Seems to me that this number is very much a scam!