How long ago did you initiate the port? The process normally completes within 24 hours, but there are sometimes delays. It also takes place in stages, so you may find that not all services arrive at the same time.
If it's been more than a few days, you could try talking to Live Chat (Contact Us at the bottom of the page) and ask them to give it a shove. A lot will depend on whether Vodafone have received the relevant files from your previous provider, but they should be able to chase this up.
