UNITED STATES DEPARTMENTS

S.No. Name Tfn Company
1 MEDICARE CUSTOMER SERVICE 800-633-4227 http://www.medicare.gov
2 SOCIAL SECURITY ADMINISTRATION CUSTOMER SERVICE 800-772-1213 http://www.socialsecurity.gov
3 US CITIZENSHIP IMMIGRATION CUSTOMER SERVICE 800-375-5283 http://www.uscis.gov/portal/site/uscis
4 US DEPARTMENT OF EDUCATION CUSTOMER SERVICE 800-433-3243 http://www.ed.gov
5 US DEPARTMENT OF STATE CUSTOMER SERVICE 888-407-4747 http://travel.state.gov
6 US DEPARTMENT OF TRANSPORTATION CUSTOMER SERVICE 800-832-5660 http://www.dot.gov
7 US DEPARTMENT OF VETERANS AFFAIRS CUSTOMER SERVICE 888-442-4551 http://www.va.gov
8 US FEDERAL COMMUNICATIONS COMMISSION CUSTOMER SERVICE 888-225-5322 http://www.fcc.gov
9 US FEDERAL TRADE COMMISSION CUSTOMER SERVICE 202-326-3300 http://www.ftc.gov
10 US FISH AND WILDLIFE SERVICE CUSTOMER SERVICE 800-344-9453 http://www.fws.gov
11 US FOOD AND DRUG ADMINISTRATION CUSTOMER SERVICE 888-463-6332 http://www.fda.gov
12 US INTERNAL REVENUE SERVICE CUSTOMER SERVICE 800-829-4059 http://www.irs.gov
13 US MINT CUSTOMER SERVICE 800-872-6468 http://www.usmint.gov
14 US POSTAL SERVICE CUSTOMER SERVICE 800-275-8777 http://www.usps.com
15 WHITE HOUSE CUSTOMER SERVICE 202-456-1414 http://www.whitehouse.gov