San Marino
chief of mission: Ambassador Paolo RONDELLI
chancery: 888 27th Street NW, Suite 900, Washington, DC 20006
telephone: 202-337-2260

Sao Tome and Principe
chief of mission: Ambassador Ovidio PEQUENO
chancery: 1211 Connecticut Avenue NW, Suite 300, Washington, DC 20036
telephone: [1] (202) 775-2075, 2076
FAX: [1] (202) 775-2077

Saudi Arabia
chief of mission: Ambassador Adil al-Ahmad al-JUBAYR
chancery: 601 New Hampshire Avenue NW, Washington, DC 20037
telephone: [1] (202) 342-3800
FAX: [1] (202) 944-3113
consulate(s) general: Houston, Los Angeles, New York

Senegal
chief of mission: Ambassador Fatou Danielle DIAGNE
chancery: 2112 Wyoming Avenue NW, Washington, DC 20008
telephone: [1] (202) 234-0540
FAX: [1] (202) 332-6315
consulate(s) general: Houston, New York

Serbia
chief of mission: Ambassador Vladimir PETROVIC
chancery: 2134 Kalorama Road NW, Washington, DC 20008
telephone: [1] (202) 332-0333
FAX: [1] (202) 332-3933
consulate(s) general: Chicago, New York

Seychelles
chief of mission: Ambassador Jean Ronald JUMEAU
chancery: 800 Second Avenue, Suite 400C, New York, NY 10017
telephone: [1] (212) 972-1785
FAX: [1] (212) 972-1786

Sierra Leone
chief of mission: Ambassador Bockari Kortu STEVENS
chancery: 1701 19th Street NW, Washington, DC 20009
telephone: [1] (202) 939-9261 through 9263
FAX: [1] (202) 483-1793

Singapore
chief of mission: Ambassador CHAN Heng Chee
chancery: 3501 International Place NW, Washington, DC 20008
telephone: [1] (202) 537-3100
FAX: [1] (202) 537-0876
consulate(s) general: San Francisco
consulate(s): New York

Sint Maarten
none (represented by the Kingdom of the Netherlands)

Slovakia
chief of mission: Ambassador Peter BURIAN
chancery: 3523 International Court NW, Washington, DC 20008
telephone: [1] (202) 237-1054
FAX: [1] (202) 237-6438
consulate(s) general: Los Angeles, New York