Tax Problems? IRS levy notice? IRS certified letter? IRS audit? Owe back taxes? Do you have a complaint how the IRS is treating you? AmeriStar Tax Review - Help when you need it. 24 hours a day seven days a week. Call AmeriStar Tax Centers and let us review your tax matter. The friendly voice on the other end of the phone may be just want you need to hear. Call 800 233 4700 and press option 5 to listen to a 4 minute recording about tax resolution.