Ecological Services
Ecological Services Field Offices - Alphabetical Listing by State
U.S. Fish and Wildlife
Service
Chicago Illinois Field Office (CIFO)
1250 South Grove, Suite 103
Barrington, Illinois 60010
(847) 381-2253
U.S. Fish and Wildlife
Service
Rock Island Field Office (RIFO)
4469 - 48th Avenue Court
Rock Island, Illinois 61201
(309) 793-5800
U.S. Fish and Wildlife
Service
Marion Sub-Office (MISO)
Rural Route 3, Box 328
Marion, Illinois 62959
(618) 997-5491
U.S. Fish and Wildlife
Service
Bloomington Field Office (BFO)
620 S. Walker Street
Bloomington, Indiana 47403-2121
(812) 334-4261
U.S. Fish and Wildlife
Service
Northern Indiana Suboffice (NISO)
P.O. Box 2016
Chesterton, Indiana 46304-2616
(219) 983-9753
U.S. Fish and Wildlife
Service
East Lansing Field Office (ELFO)
2651 Coolidge Road
East Lansing, MI 48823
(517) 351-2555
U.S. Fish and Wildlife
Service
Twin Cities Field Office (TCFO)
4101 E. 80th Street
Bloomington, MN 55425-1665
(612) 725-3548
U.S. Fish and Wildlife
Service
Columbia Missouri Field Office (CMFO)
608 East Cherry St, Room 207
Columbia, Missouri 65201
(573) 876-1911
U.S. Fish and Wildlife
Service
Reynoldsburg Field Office (ROFO)
6950-H Americana Parkway
Reynoldsburg, OH 43068
(614) 469-6923
U.S. Fish and Wildlife Service
Green Bay Field Office (GBFO)
1015 Challenger Court
Green Bay, WI 54311
(414) 465-7440
U.S. Fish &
Wildlife Service 
Region 3 Home
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Wildlife Service Endangered Species Home
Region 3 Activities by State:
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U.S. Fish and Wildlife Service
Division of Endangered Species
BHW Federal Building
1 Federal Drive
Fort Snelling, Minnesota 55111-4056