Links

Immigration forms and fees:
http://uscis.gov/forms

USCIS Case Status online (check the status of your case and check processing times): https://egov.immigration.gov/cris/jsps/index.jsp

USCIS customer service telephone number:
1- 800-375-5283
Use to change your address, request forms, or check on the status of your pending application.

Visa Bulletin (to check how long it will take for a spouse, child, or sibling to be able to apply for a permanent resident card from the date the visa petition is received):
http://travel.state.gov/visa/frvi/bulletin/bulletin_1360.html

How to file a change of address with USCIS:
(required within 10 days of moving to a new address):
http://uscis.gov/graphics/howdoi/address.htm

U.S. Passport Application Instructions:
http://travel.state.gov/passport/passport_1738.html