Where can I find membership numbers of the NSDAP nazi-party?

The National Archives has several listings of NSDAP members. Descriptions of these lists are available in the Catalog at https://catalog.archives.gov/search?q=NSDAP%20AND%20List&highlight=true&f.level=series&f.locationIds=33. For access to these records, please contact the Textual Reference Archives II Branch at archives2reference@nara.gov.