The IVR Cheat Sheet™

Paul English who is the CTO and cofounder of the travel-search site Kayak.com and a former vice president at Intuit. He has compiled a list of the buttons you need to push when you enter various companies' voicemail systems to actually reach a human person. He has a list of several hundred companies and government agencies sorted by type of business. The company phone number and web address is also provided.

http://paulenglish.com/ivr/

(I think Virgin Mobile is the winner for most steps to reach a human)