HI, I received a text message from a number 7 51. It says Hello from Vodafone. I cannot locate any info that Vodafone sends messages from this number - normally the message says its from Vodafone not from a nymber 7 51. What concerns me is it asks about my experience from earlier today with them. Asks me to reply 'free' asking me to answer 3 questions (only received on so far). If legit - why can't I find who owns or uses the text number 751 0 google states it a premium mobile text number. Any ideas if legit?