Where can I find naturalization records?

While the Prothonotary’s Office does not hold naturalization records, County Archives may have the documents you are looking for. Otherwise, please contact U.S. Citizenship and Immigration Services (USCIS) Customer Service at 1-800-375-5283 for further assistance regarding naturalization documentation.

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1. Where can I find naturalization records?
2. My name was changed during a naturalization ceremony in Montgomery County. Where can I find my name change order?