send the N-600 and the support documents to the USCIS local office in your area. Find the local office from this website:
https://egov.uscis.gov/crisgwi/go?action=offices.type&OfficeLocator.office_type=LO
send the N-600 and the support documents to the USCIS local office in your area. Find the local office from this website:
https://egov.uscis.gov/crisgwi/go?action=offices.type&OfficeLocator.office_type=LO