The Federal Prison Camp (FPC) in Duluth, Minnesota, houses minimum-security male offenders. In-person visits: FPC DULUTH FEDERAL PRISON CAMP 4464 RALSTON DRIVE DULUTH, MN 55811 Correspondence and parcels to inmates confined at this facility: INMATE NAME & REGISTER NUMBER FPC DULUTH FEDERAL PRISON CAMP P.O. BOX 1000 DULUTH, MN 55814 (Do not send funds to this address; for more information go to the Inmate Money page. ) Shipping: Freight and non-USPS parcels - at most facilities, freight deliveries are generally processed through the warehouse. STAFF NAME FPC DULUTH FEDERAL PRISON CAMP ATTN: WAREHOUSE 4464 RALSTON DRIVE DULUTH, MN 55811 Correspondence and parcels to staff: STAFF NAME FPC DULUTH FEDERAL PRISON CAMP P.O. BOX 1400 DULUTH, MN 55814