I am trying to find the other half of my family and I know here in the US you can just type in the white pages online and find numbers so i was wondering is there anything online for that in Italy?

Try
http://www.paginebianche.it/execute.cgi?tr=103&cb=&tl=2&btt=0

Try italian geneology. There lots of sites for this...id

Also worth trying:-

http://www.1254.alice.it/

TIM/Telecom Italia online directory enquiries