USCIS stands for United States Citizenship and Immigration Services, which is an agency within the Department of Homeland Security (DHS) responsible for overseeing lawful immigration to the United States. You will note that the USCIS handles all the applications and petitions for immigration benefits. These including citizenship, permanent residency (green card), temporary visas for work as well as study.
The field offices are regional offices of the United States Citizenship and Immigration Services (USCIS) located throughout the United States and abroad. Their offices provide in-person assistance for a range of immigration services. These include such things as interviews, biometrics collection as well as all the document processing.
You will note that the field offices serve specific geographic regions. They also handle specific types of immigration cases. Some of the services available at USCIS field offices can also be completed online, via mail, or by contacting a USCIS Contact Center.
USCIS Vermont Service Center
The USCIS Vermont Service Center (VSC) is a processing center of the United States Citizenship and Immigration Services (USCIS). The Vermont Service Center is responsible for processing a variety of immigration benefit requests. These including certain employment-based nonimmigrant and immigrant visas, certain family-sponsored immigrant visas.
You will also note that they also manage certain requests for immigration benefits filed on behalf of adoptees. The Vermont Service Center operates as a centralized processing facility, receiving, scanning, and data-entering immigration benefit requests and forwarding cases to USCIS adjudicators for final determination.
USCIS / National Visa Center
The National Visa Center (NVC) is a part of the United States Department of State’s Bureau of Consular Affairs. It is responsible for pre-processing immigrant visa applications for individuals seeking permanent residency in the United States. The NVC collects and reviews required documentation, including police certificates and medical examinations, and forwards the complete cases to a U.S. embassy or consulate for the final visa interview.
The NVC also collects fees, manages the waitlist for visa availability, and communicates with applicants regarding their cases. The National Visa Center plays an important role in facilitating the immigrant visa process for those seeking to immigrate to the United States and become permanent residents. See also the Form I-130 for the children’s visas.