This is important because when Recruiters or Human Resource Directors are working on a specific position, they do not want to wait a few days to receive a reply to their call or email. They have lots of other candidates to contact! If you don’t return the call or email, they will assume you are not interested and will not contact you a second time. So if you have sent out a resume, make sure you check your voice mail often and email and junk mail to make sure you did not miss a response.
Some organizations still contact candidates through the mail so your address is also important—although it may not be as important as phone and email in this day and age. If you think the employer may be concerned about your distance from their location, then you may wish to not list your address during the first stage of the process. Let them concentrate on your qualifications, not the driving distance.