For NatBlast customers (those whose dialup usernames end with @natblast.com):  Due to an issue with one of our upstream providers, your access phone numbers may have changed. If you are having trouble connecting, please use the access phone number search at the top of this page to verify that you are using a current access phone number. Or, for the easiest and most reliable method of assuring that you have current access phone numbers, please download and install our simple dialer by clicking here.