§ 2.1 Headquarters.

The U.S. Fish and Wildlife Service is composed of a main office in the Washington, DC, area, referred to as “Headquarters”; eight regional offices, which are described in § 2.2; and a variety of field installations, a nationwide network of law enforcement agents, and a number of field study teams for biological and ecological activities. Headquarters includes the Office of the Director, as well as program areas headed by Assistant Directors.

(a) The address for the Office of the Director is: Office of the Director, U.S. Fish and Wildlife Service, Main Interior, 1849 C Street NW., Room 3331, Washington, DC 20240-0001.

(b) The address of Headquarters program areas is: U.S. Fish and Wildlife Service Headquarters, MS: [Insert appropriate Mail Stop from table], 5275 Leesburg Pike, Falls Church, VA 22041-3803.

(c) The address for the National Eagle and Wildlife Property Repository is: National Fish and Wildlife Repository, 6550 Gateway Road, Bldg. 128 Commerce City, CO 80022.

Headquarters programMail stop Ecological ServicesMS: ES. Fish and Aquatic Conservation, including: • Division of Fish and Aquatic Conservation ProgramsMS: FAC. International Affairs, including:MS: IA. • Division of Management AuthorityMS: IA-DMA. • Division of Scientific AuthorityMS: IA-DSA. Information Resource and Technology ManagementMS: IRTM. Management and AdministrationMS: AMAD. • Service's Information Collection Clearance OfficerMS: JAO. Migratory Birds, including:MS: MB. • Division of Migratory Bird Management • Division of Bird Habitat Conservation • Division of Bird Conservation, Permits, and Regulations National Wildlife Refuge SystemMS: NWRS. Office of CommunicationsMS: OC. Office of Conservation InvestmentMS: OCI. Office of Law EnforcementMS: OLE. Science ApplicationsMS: SA.

[79 FR 43963, July 29, 2014, as amended at 91 FR 31370, May 27, 2026]