“Service centers”

Jurisdiction: United States United States

Service centers only adjudicate applications that individuals have mailed, filed electronically, or filed with a USCIS Lockbox. Service centers do not provide in-person services, conduct interviews, or receive walk-in applications or questions. USCIS has five service centers: California, Nebraska, Potomac, Texas, and Vermont.

Source: USCIS Glossary, U.S. Citizenship and Immigration Services