| | | U.S. Postal Service (USPS) | +18002758777 | Mon-Fri: 8:00 AM - 8:00 PM | Mail services, postage, package tracking |
Department of Education | +18008725327 | Mon-Fri: 8:00 AM - 8:00 PM | Education policy, student loans, grants |
Department of Health | +18776966775 | Mon-Fri: 8:00 AM - 8:00 PM | Healthcare, public health, social services |
Food and Drug | +18884636332 | Mon-Fri: 8:00 AM - 4:30 PM | Food safety, drug regulation, medical devices |
Federal Bureau of | +18002255324 | 24/7 | Criminal investigations, national security |
Federal Communications Commission | +18882255322 | Mon-Fri: 8:00 AM - 8:00 PM | Telecommunications regulation, spectrum management |
Internal Revenue Service | +18008291040 | Mon-Fri: 7:00 AM - 7:00 PM | Tax information, refunds, filing assistance |