I am not sure, but I will tell you what I think: The reason that there is two books is because..
One is a book full of businesses and the other one is book full of homes (Residential).
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#1 If need help from Verizon, go to Verizon's contact page at
http://www22.verizon.com/content/contactus/
#2 Then do one or more of the following:
a) Send them an e-mail
b) Use real time chat
c) Call them
d) OR write to their postal Address.