• Atlas of Canada--6th ed. consists of digital maps and explanatory text organized into the following categories: environment, people and society, economy, history, climate change, freshwater, health, reference maps, topographic maps, and map archives.
• Atlas of Minnesota Online--features social, demographic, and economic data in map format at the county and school district level
• Geographic Names Information System--From the U.S. Geological Survey, contains information about some 2 million physical and cultural geographic features in the United States.
• Google Maps--map tool
• MapQuest--The "#1 Consumer Travel Site," interactive maps for driving directions from all points in the continental U.S., as well as interactive travel maps.
• Perry-Casteñeda Library Map Collection [University of Texas]--Perhaps the best map collection on the Web; political and economic maps of every country and continent, as well as historical maps, city maps, National Parks, and much more.

Zip Codes, Area Codes, Telephone Directories

• AT&T Any Who--AT&T provides these directory searches. Users can locate business addresses by type of business name. There is also a white pages search for locating people by name or by telephone number (reverse directory). Other features are a toll-free directory search and links to international white and yellow pages.
• Infobel World--A directory of international telephone directories, first started in 1995 and has grown exponentially ever since with information from over 180 countries. The main section is broken down into 6 geographic regions (North America, South & Central America, Africa, Europe, Asia & Middle East, and Australia & Pacific. The countries are then listed within each region. There may be numerous Business and White Pages listings for each country, with the most popular resources on the top of the page.
  
• Internet Telephone Directory - United States--White Pages, Yellow Pages, Area Codes, Country Codes, and more; maintained by U.S. Qwest.
  
• Zip Code Lookup & Address Information [United States Postal Service]--USPS site for looking up zip codes, association of cities to zip codes and preferred mail abbreviations.