Don't worry, according to the news the IRS will be adding 87,000 new agents to better serve the people. Your wait time will be in the seconds. It won't matter since you will not have any money to tax.
Evidently, everyone was supposed to be mailed a PIN that was to be added to the form when you filed. Neither my wife or I ever received one in the mail as did millions of others. This is holding up the processing of your tax forms if the PIN was not included.