(1) Address activities affecting endangered and threatened species that are native to the United States to the Regional Director for the Region in which the activity is to take place. You can find addresses for the Regional Directors in 50 CFR 2.2 . Send applications for interstate commerce in native endangered and threatened species to the Regional Director with lead responsibility for the species. To determine the appropriate region, call the nearest Regional Office: Region 1 (Portland, OR): 503-231-6241
Region 2 (Albuquerque, NM): 505-248-6920
Region 3 (Twin Cities, MN): 612-713-5343
Region 4 (Atlanta, GA): 404-679-7313
Region 5 (Hadley, MA): 413-253-8628
Region 6 (Denver, CO): 303-236-8155, ext 263
Region 7 (Anchorage, AK): 907-786-3620
Headquarters (Washington, DC): 703-358-2106