Please check the following info before you go:
http://uscis.gov/graphics/fieldoffices/vermont/aboutus.htm
Where Are We?
The Vermont Service Center is located in Saint Albans and Essex, Vermont. Our Direct Mail Mailing Address is:
U.S. Department of Homeland Security
U.S. Citizenship and Immigration Services
Vermont Service Center
75 Lower Welden St.
Saint Albans, Vermont 05479
Petitions and applications other than N-400 applications and Premium Processing cases should be mailed to the VSC using this address.
Please note that, effective September 1, 2004, VSC will no longer have a public information window available for walk-in questions.