Original sentence: Parallel running of the old numbering was withdrawn on 9th January 1998.PhONEday, on 16th April 1995,  changed the area code from 0734 to 01734, and then almost a year later, on 8th April 1996, it changed again to 0118
Edited sentence: Parallel running of the old numbering was withdrawn on 9 January 1998.PhONEday, on 16 April 1995,  changed the area code from 0734 to 01734, and then almost a year later, on 8 April 1996, it changed again to 0118