U.S. Citizenship and Immigration Services (USCIS) Resources:

Service Centers by District:

California Service Center
(Arizona, California, Guam, Hawaii, and Nevada)
Nebraska Service Center
(Alaska, Colorado, Idaho, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Montana, Nebraska, North Dakota, Ohio, Oregon, South Dakota, Utah, Washington, Wisconsin, and Wyoming)
Texas Service Center
(Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, New Mexico, North Carolina, Oklahoma, South Carolina, Tennessee, and Texas)
Vermont Service Center
(Connecticut, Delaware, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Puerto Rico, Rhode Island, Vermont, Virginia, and West Virginia)

Additional USCIS Resources:

National Benefits Center
Administrative Appeals Office
USCIS District Office
USCIS Online Case Status
USCIS Forms and Fees
USCIS Field Offices
USCIS Laws and Regulations
USCIS Public Affairs
USCIS Public Information


Department of State Resources:

U.S. Department of State
Visa Bulletin
U.S. Embassy and Consulate Information
Visa Wait Times at U.S. Consulates
Schedule of Fees for Consular Services
Visa Services
Visa Policy Cables
Diversity Visa Program
Visa Fees and Reciprocity Tables
Foreign Entry Requirements for Traveling Overseas
Foreign Affairs Manual


Department of Labor Resources:

U.S. Department of Labor
Occupational Outlook Handbook
Prevailing Wage Information
Processing Dates for Labor Certification Applications
Employment and Training Administration
Office of Workforce Security
Employment Standards Administration
Regional and Local Office Information
Division of Foreign Labor Certification
DOL Foreign Labor Certification Data Center


Department of Homeland Security Resources:

U.S. Department of Homeland Security (DHS)
DHS Travel & Transportation
DHS Customs & Border Patrol
DHS Immigration and Customs Enforcement


Department of Justice Resources

U.S. Department of Justice (DOJ)
DOJ Office of Special Counsel for Immigration-Related Unfair Employment Practices
DOJ Executive Office for Immigration Review


Miscellaneous Government Resources

Federal Register
Social Security Administration
Internal Revenue Service (IRS)
IRS - Frequently Asked Questions (FAQs)
IRS - U.S. Tax Guide for Aliens
Congressional Information