- AnyWho online directory from AT&T includes yellow and white pages, area codes, toll free numbers, reverse look-up
- AreaCodeLocations.info an online directory of area codes for North America
- GO Toll Free a directory of 800 numbers searchable by product, service, company, or toll-free number
- Infobel links to online directories from around the world in English, Spanish, French, Italian and German
- superpages.com national business listings searchable by name and type of business, residential listings
- WhitePages.com directory for individuals and businesses, includes reverse look up for street address and phone number
- The Real Yellow Pages find a business or person by name and city or by phone number
- Yahoo People Search US phone and address search, reverse phone search and email search
