Frontier Communications (NASDAQ: FTR) had a company-altering first quarter of 2016, but the major event that closed during that time period will not impact its results when it reports on May 3 at 8:30 a.m. before markets open.During the quarter, the company received final regulatory approval for its $10.54 billion purchase of Verizon's (NYSE: VZ) wireline operations in California, Texas, and Florida.