General Resources Dictionaries & Encyclopedias Dictionary (Merriam-Webster) Complete source for language information, including definitions, synonyms, antonyms, related words and word origin. Encyclopedia.com Searches over 100 encyclopedias and dictionaries, including those covering such specific subject areas as medicine, computers, social science and foreign policy. Infoplease Includes encyclopedia, dictionary, almanac and atlas information, resources for teachers, tools such as a perpetual calendar and a distance calculator, homework help and business and biographical information. Inogolo Common English pronunciations of "people, places, and stuff", with a link to audio pronunciation. Wikipedia Collaborative encyclopedia. Also includes dictionary, thesaurus, quotations, books, media, and more. Calculation and Conversion Tools Salary.com: Cost of Living Wizard Calculates differences in the cost of living for over 300 US cities. Universal Currency Converter Interactive up-to-the-minute foreign exchange rate calculator. Virtual Perpetual Calendar Perpetual calendar for the 19th-21st centuries. World Time Server Calculates time conversions for most cities, states and countries. Directories All Area Codes Area codes for Canada and the US are listed in numerical order and by state. Superpages.com Locates contact information on individuals and businesses, permits reverse telephone searches, and links to maps and directions. White Pages Accesses people, businesses, reverse phone and address, area codes, zip codes, maps and some city yellow pages. Zip Code Lookup (USPS) From the USPS site,  zip codes by street address, city and state or all z