The phone number display is too small to be of much use. Business users will find this deficiency problematic as we need to be able to easily and quickly see the phone numbers that are displayed on incoming calls and in the call history. Adding the traditional dashes or a similar separator improves the readability of the number string. I'm surprised that we don't have the option to change font sizes or the way incoming phone calls are viewed. I have "A Simple Call Log" app that doubles the size of the font used in the phone number, so I know the phone is capable of doing it.  According to HTC there is no plan to correct this.