I agree with the other answer. One thing to bear in mind with phone numbers though is that people often say "oh" rather than "zero".

Hi JakeY, There is no set way to read a phone number. For example the number 08456007878 could be read: zero, eight, four, five, six, zero, zero, seven, eight, seven, eight. or zero, eight, four, five, six hundred, seventy eight, seventy eight. When counting push-ups, one would simply count; one, two, three, four, five, six, seven, eight, nine, ten, eleven and so on. I hope my answer has helped you, Tom