Infobel.com (World)
Telephone Directories - White & Yellow Pages (by country)

Numberway
Find international yellow & white pages phone books (by country)

YELL.COM (UK)
Business websites, addresses, phone numbers & more

Yellow (Australia)
Over 1,800,000 listings online

Yellow.ca (Canada)
A canadian phone directories company (White & Yellow Pages)

Yellow.com (US)
US Yellow & White Pages