From this topic: https://www.railforums.co.uk/thread...wr-mobile-ticket-for-break-of-journey.218865/
For me (I'm including the midlands), broadly anything south of Worcester, Northampton or Peterborough is 'the south' and anything north of Stoke or Nottingham is 'the north'. Anything in between is the midlands.
For me (I'm including the midlands), broadly anything south of Worcester, Northampton or Peterborough is 'the south' and anything north of Stoke or Nottingham is 'the north'. Anything in between is the midlands.