The countdown to the April 15 tax-filing deadline is on, and the IRS is inundated with taxpayers' calls.
Some tax filers complain about waiting on the phone for hours to speak to a "real person" at the IRS. But in many cases, you don't have to call to get your questions answered.
CNBC's Sharon Epperson explains how answers to frequently asked questions are often available on the IRS website and through their mobile app. Plus, an automated phone service can let you know when you'll get your refund and direct you to community-based volunteer tax-help programs.
(Read more: Why marriage is costly—for some—at tax time)