For the 2005 season the Diamondbacks moved their Double-A affiliate from El Paso to Tennessee of the Southern League.  This marked the first time the Diamondbacks had not been in the Texas League since they began operations.  The remaining affiliates remained the same from the 2004 season.

Triple-A (AAA) Pacific Coast League

Tucson Sidewinders
2500 East Ajo Way
Tucson, AZ 85713
Phone (520) 434-1021
Fax (520) 889-9477
Web Site: www.tucsonsidewinders.com

Double-A (A) Southern League

Tennessee Smokies
3540 Line Drive
Kodak, TN 37764
Web Site: www.smokiesbaseball.com

Advanced-A (A) California League

Lancaster JetHawks
45116 Valley Central Way
Lancaster, CA 93536
Phone: (661) 726-5400
Fax: (661) 726-5406
Web Site: www.jethawks.com

Class-A (A) Midwest League

South Bend Silver Hawks
501 W. South Street
South Bend, IN 46601
Phone: (574) 235-9988<
Fax: (574) 235-9950
Web Site: www.silverhawks.com

Class-A (A) Northwest League

Yakima Bears
8 North 2^nd Street
Yakima, WA 98901
Phone: (509) 457-5151
Fax: (509) 457-9909
Web Site: www.yakimabears.com

Rookie (R) Pioneer League

Missoula Osprey
412 W. Alder Street
Missoula, MT  59802
Phone: (406) 543-3300
Fax: (406) 543-9463
Web Site: www.missoulaosprey.com

Dominican Summer League

Boca Chica Diamondbacks