ASPC Tucson Complex: Which P.O. Box to Use for Each Unit

ASPC Tucson has multiple units, and each uses a different P.O. box. Send mail to the wrong one, and it could be delayed or returned. Before mailing anything, match your loved one's current unit to the correct box below. Include their full name and ADC # on the envelope - that's how mailroom staff route it once it arrives.

Santa Rita Unit - Inmate Name and ADC #, P.O. Box 24401, Tucson, AZ 85734.

Manzanita Unit - Inmate Name and ADC #, P.O. Box 24401, Tucson, AZ 8573 (as printed). The ZIP looks incomplete - confirm it before mailing.

Winchester Unit - Inmate Name and ADC #, P.O. Box 24401, Tucson, AZ 85734.

Rincon Unit - Inmate Name and ADC #, P.O. Box 24403, Tucson, AZ 85734.

Rincon Minors Unit - Inmate Name and ADC #, P.O. Box 24403, Tucson, AZ 85734. (Same P.O. box as CDU.)

Complex Detention Unit (CDU) - Inmate Name and ADC #, P.O. Box 24403, Tucson, AZ 85734. (Same P.O. box as Rincon Minors.)

Whetstone Unit - Inmate Name and ADC #, P.O. Box 24402, Tucson, AZ 85734.

Catalina Unit - Inmate Name and ADC #, P.O. Box 24409, Tucson, AZ 85734. (Same P.O. box as Cimarron.)

Cimarron Unit - Inmate Name and ADC #, P.O. Box 24409, Tucson, AZ 85734. (Same P.O. box as Catalina.)

Verification Steps

• ✓ Confirm the inmate’s current unit (housing can change).
• ✓ Match that unit to the P.O. box listed above (Santa Rita/Manzanita/Winchester use 24401; Whetstone uses 24402; Rincon/Rincon Minors/CDU use 24403; Catalina/Cimarron use 24409).
• ✓ Double-check the inmate’s name spelling and ADC # before you mail it.

Not sure which unit they're in? Call the Tucson complex main line at (520) 574-0024 and ask. Have their full name and ADC # ready so staff can look them up quickly.