Telephone numbers

Telephone numbers are written with gaps between each group of numbers, not usually with dashes or full stops e g 01 339 4867 The first group is usually the dialling code for a particular place and is often in brackets (01) 339 4867 0 in phone numbers is pronounced oh Numbers are pronounced separately and double figures are usually given as e g double three oh one, double three (or fhree three) nine, four eight six seven Treble figures are normally spoken as follows 6222 six two double two A number like 2222 would be spoken double two double two Other long numbers, like bank account numbers, national insurance numbers and so on are usually spoken in the same way

Appendix 47