@Tan1978 O2 will allow one free number change, but that can cause
difficulties for many who use their number for doctor or hospital
notifications or for work contacts. Apart from changing your number,
there isn't much you can do except not answer the...
@MS5 Call the Payment Management Team on 0800 902 0217.The opening times
are:Monday to Friday – 8am to 8pmSaturday – 8am to 6pmSunday – 9am to
6pmhttps://www.o2.co.uk/help/account-and-billing/payment-support