I used the uninstall application AppDelete, and it found several additional things to remove: assocated with VerizonInHomeAgent.app were
Users>Library>Cache.com.Verizon.IHA
Users>Library>Preferences/com.Verizon.IHA.plist
Users>Library>Saved Application State/com.Verizon.IHA.savedState
assocated with VerizonUpdateCenter.app was
Users/Library/Caches/VDSI.Verizon.Update.Center