Don't do the address one, it's very shaky.
The phone number check is their primary check.
http://www22.verizon.com/FiosForHome...=L&POEId=TL1HP
I don't believe Grand Parie has it though...
Keller, Flower Mound, Lewisville, parts of Irving, parts of Carrollton are all I know that have it for sure.