Research: Topics: Genealogy: Naturalization Records

VI. Naturalization Records at the U.S. Immigration & Naturalization Service

The U.S. Immigration & Naturalization Service holds duplicate copies of naturalization documents filed after September 26, 1906. Inquiries and requests for a search form should be addressed to:

U.S. Immigration & Naturalization Service, 425 Eye Street NW, Washington, DC 20536; telephone (800) 870- 3676.

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