U.S. White & Yellow Pages 
and Reverse Directories

• Big Book Yellow and white pages. Click on Business Profile for more information about a business.
• Infospace Yellow pages, white pages and reverse lookup by phone number, address, email, area code and zip code.
• Maporama Find the latitude and longitude for any address. You can use these for your GPS device.
• Qwestdex Business, residential, toll-free and government listings.
• Switchboard Yellow pages, white pages, reverse lookups and maps. Try What’s Nearby to find businesses by category near an address.
• WhitePages Yellow pages, white pages, reverse lookups, area codes and zip codes.

Physician Directory

AMA Online Dr. Finder 650,000 doctors, osteopathy or osteopathic listings in the U.S. and possessions. Searchable by physician name or 26 specialties. Entry provides name, address, degree and year graduated.

Area Codes and Zip Codes

• Area Codes (Whitepages.com) Searchable by area code, city and state.
• U.S. Postal Service ZIP+4 Lookup

International Directories

• Canadian Postal Codes
• Infobel Includes international dialing codes.

Toll-free Directories

• Internet 800 Directory  
• Qwestdex
• Toll-free Directory (AT&T)
• U.S. Federal Government Toll-Free Numbers