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Best of the Web: Reference » Telephone & Address Directories
AmeriCom Area Decoder
This site enables you to find area codes or places by entering in the search box either the city, state, country, area code, area code exchange, or country code.
Infobel World - Telephone Directories
Comprehensive index to online phone directories with 400+ links to yellow pages, white pages, business directories, e-mail addresses and fax listings from around the world.
Manhattan Address Locator
Zero in on cross streets or avenues with this handy address finder.
National Address Server
After you enter a "valid U.S. postal address" this site will write the address in the proper format along with the ZIP+4 code.
National Toll Free Directory
The National Tollfree Directory provides you with toll free number information, 800 numbers, addresses, website links, email addresses and much more.
Free, up-to-date guide to U.S. and international telephone directories on the Web.
An online directory and shopping resource in English and Spanish from Verizon.
Zip Code Lookup
The United States Postal Service offers this zip code lookup.