I recently received some blank txt msgs the sender info was anyone know where these might be from??

Question

I recently received some blank txt msgs the sender info was anyone know where these might be from??
The msg details showed the time approx hr ahead of UK time...Is even a mobile num? i cant reply to the sms, I get an error sending message anyone know where these are cuming from or how I can find out...thanks

Answer

Dont be surprised if you get a phone call either from your own network or another asking to change network or contract or change to contract if you are pay as you go, these texts are usually to check that the number is still in use before the mobile companies get in touch with you