Websites that may assist you in applying for a U.S. visa, as well as other information that may be helpful for international students.
http://travel.state.gov/visa/visa_1750.html
Visa Services information
http://usembassy.state.gov
Link to U.S. Embassies and Consulates worldwide
http://uscis.gov/graphics/index.htm
United States Citizenship and Immigration Services Official website
https://egov.uscis.gov/cris/Dashboard.do
Check immigration application online
http://www.ssa.gov/immigration/
Obtaining Social Security number
http://www.nh.gov/safety/dmv/
Information about Driver’s License application for F-1 students in the State of New Hampshire
http://www.mass.gov/rmv/express/
Information about Driver’s License Application for F-1 students in the State of Massachusetts
www.irs.gov
Internal Revenue Services (downloadable Income Tax forms, etc)
http://www.the-acr.com/codes/cntrycd.htm
International Calling codes