Question: When did frontier take over verizon in california?
Disambiguated questions and answers: question: When did frontier take over only part of Verizon California, Inc. in california?
When did frontier officially take over of all of verizon's wired telecom operations in california?
When did frontier's take over of all of verizon's wired telecom operations in california get announced?
answer: 2010
April 1, 2016
February 5, 2015
Natural Questions answer: July 1 , 2010 (from the Wikipedia article "Frontier Communications")