The Washington Information Directory (WID) is a topically organized reference resource that lists contact information for federal agencies and nongovernmental organizations in the Washington metro area along with a brief paragraph describing what each organization does related to that topic. In addition, WID pulls together 55 organization charts for federal agencies, congressional resources related to each chapter topic, hotline and contact information for various specific areas of interest (from Food Safety Resources to internships in Washington), and an extensive list of active congressional caucuses and contact details. WID has two appendices, one with thorough information on congresspersons and committees, and the second with governors and embassies.

Postal Service

Postal service



U.S. Postal Service (USPS), 475 L’Enfant Plaza S.W., 20260-0001; (202) 268-2000. Fax, (202) 268-5211. Megan J. Brennan, Postmaster General. Library, (202) 268-2906. Press, (202) 268-6524. TTY, (800) 877-8339. Toll-free, (800) 275-8777.

Web, and Twitter, @USPS

Offers postal service throughout the country as an independent establishment of the executive branch. Library open to the public by appointment.

U.S. Postal Service (USPS), Inspection Service, 475 L’Enfant Plaza S.W., #3100, 20260-2100; (202) 268-4264. Fax, (202) 268-7316. Gary Barksdale, Chief Postal Inspector. Fraud and abuse hotline, (877) 876-2455. Press, (202) 268-3700.

Web, and Twitter, @USPISpressroom

Investigates violations of postal laws, such as theft of mail or posted valuables, assaults on postal employees, organized crime in postal-related matters, and prohibited mailings. Conducts internal audits; investigates postal activities to determine effectiveness of ...

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