Federal Agencies (Louisiana State University) provides browsing alphabetically or by hierarchy, as well as searching by keyword or phrase.
Local Federal Agencies - See the list on the Federal Government Information & Related Resources page.
National Contact Center (Federal Citizen Information Center) - "Have a question about Federal programs, benefits, or services? Call our information specialists toll-free...between 8 a.m. and 8 p.m. eastern time Monday through Friday, except Federal holidays. Use our online knowledgebase containing all of our frequently requested information."
1-800-FED-INFO (1-800-333-4636)
Leadership Directories (subscription cancelled due to budget cuts) provide Yellow Book listings for federal staff, including regional federal offices.