Looking for address information as well?  See our ZIP Codes and Postal Codes Guide.

AnyWho - Directory assistance, yellow pages, white pages, reverse lookup, toll-free, international.

Canada411 - Find a Canadian person or business and Canada toll free.  In English and French.

Caribbean Phone Books - Links to Caribbean phone books by country.

Internet 800 Directory - Toll free search by product or service, company name, or toll free number.

SuperPages.com - My directory, yellow pages, people pages, supertopics, consumer guide.

Switchboard - Find a person, business, or product, business services, maps & directions.

Telephone Directories on the Web - Index of online phone books from over 184 countries by region.

WhitePages.com - Find a person or business, area code, zip code, email, or website.

WorldPages.com - Find a business, product, or person, email address, search by phone number.

YellowPages.com - Search U.S. businesses by type or name, also international.

AT&T Business Traveler - Find an access number, calling tools, dialing demo.

Area Codes - By number and location, non-geographic area codes, maps, new and planned.

Area Code Listing, by Number - Area code, region, time zone, description of areas covered.

AreaCode-Info.com - Area code information, history, updates, relief activity, and related sites.

gethuman - Phone numbers and instructions to get human customer service.

International Telephone Dialing Instructions - Country code look up and dialing instructions.

Phone Rate Finder - Unbiased view of interstate, intrastate, and international rates.

Reverse Lookup - AnyWho tool to find a person or business by phone number.

Reverse Lookup Directories - Yahoo! Directory page with links to several Reverse Lookup sites.