When you change your phone number you should probably do your due diligence and let people who are likely to contact you know that there is a new way to do so. Otherwise, whatever poor sod ends up with your old number is just going to be inundated with requests to reach you. This is especially true if you're operating a business or doing something that fields a high volume of phone calls. But, if you ended up with my old number, it would never even be an issue; I don't stay in contact with anyo…