Atwater U.S. Penitentiary

General Prison Information Official Prison Name: Atwater U.S. Penitentiary Prison Code: ATW Prison Type: U.S. Penitentiary Region: Western Region State: California Security Level: High Contact Information Here you have the street address and mailing address for Atwater U.S. Penitentiary. Use the mailing address if you are mailing a letter or package to an inmate at […]