The North Dakota DOC doesn't have a searchable online database and it would appear they are pretty strict about giving out inmate information, but here is address, phone numbers, and website info:

North Dakota Department of
Corrections and Rehabilitation
3100 Railroad Avenue
Bismarck, ND 58502

Tel: 701-328-6390
Fax: 701-328-6651

North Dakota Dept. of Corrections & Rehabilitation (http://www.state.nd.us/docr/)

http://www.state.nd.us/docr/