Railway Question NEED big time Help ..?

Hello I have HR Phone Number for Northern Rail and over the past few weeks or days which ever there is nobody been answering. It is just been going onto voice-mail leave a message after the beep so I have left Messages a number of times but I haven't been getting nothing back I only want to contact some 1 to ask why no correspondence have come back after the 4 week I have had to wait now its coming up to 5 week and a days does any 1 have any phone numbers to HR for NORTHERN RAIL Also I have emailed the Recruitment Team on the northern recruitment team email address and it says could be about 4 days well again the 4 days have past please some 1 give me something .