from itertools import chain

with open('tlf.csv') as f:
    lst = [i.replace(';;', ';').split(';') for i in f]
len_lst = max(len(s) for s in chain.from_iterable(lst)) + 2
format_table = ('{:<' + str(len_lst) + '}').format
print '\n'.join(''.join(format_table(i.strip()) for i in item) for item in lst)

"""Output-->
Name       Mobile     Home       Other
Navn 1     44444444   77777777
Navn 2     55555555   66666666   66655544
Navn 3     44446666
Navn 4     45454545   65656565
Navn 5     43343434
"""