Inmate Mail/Parcels
Do not send funds to this address; for more information go to the Inmate Money page. Use this address when sending correspondence and parcels to inmates confined at this facility.

INMATE NAME & REGISTER NUMBER
USP ATWATER
U.S. PENITENTIARY
P.O. BOX 019001
ATWATER, CA 95301

Physical Address
(Do not use for mail unless it is the same as the mailing address listed.)
Use this address for in-person visits.

USP ATWATER
U.S. PENITENTIARY
1 FEDERAL WAY
ATWATER, CA 95301

Shipping
Use this address when shipping freight and non-USPS parcels. At most facilities, freight deliveries are generally processed through the warehouse.

STAFF NAME
USP ATWATER
U.S. PENITENTIARY
ATTN: WAREHOUSE
1 FEDERAL WAY
ATWATER, CA 95301

Staff Mail
Use this address when sending correspondence and parcels to staff.

STAFF NAME
USP ATWATER
U.S. PENITENTIARY
P.O. BOX 019001
ATWATER, CA 95301