| Country | Diplomatic representation in the US |
| Afghanistan | chief of mission: Ambassador Said Tayeb JAWAD chancery: 2341 Wyoming Avenue NW, Washington, DC 20008 telephone: [1] (202) 483-6410 FAX: [1] (202) 483-6488 consulate(s) general: Los Angeles, New York |
| Akrotiri | none (overseas territory of the UK) |
| Albania | chief of mission: Ambassador Aleksander SALLABANDA chancery: 2100 S Street NW, Washington, DC 20008 telephone: [1] (202) 223-4942 FAX: [1] (202) 628-7342 |
| Algeria | chief of mission: Ambassador Abdallah BAALI chancery: 2118 Kalorama Road NW, Washington, DC 20008 telephone: [1] (202) 265-2800 FAX: [1] (202) 667-2174 |
| American Samoa | none (territory of the US) |
| Andorra | chief of mission: Ambassador Carles FONT-ROSSELL chancery: 2 United Nations Plaza, 25th Floor, New York, NY 10017 telephone: [1] (212) 750-8064 FAX: [1] (212) 750-6630 |
| Angola | chief of mission: Ambassador Josefina Perpetua Pitra DIAKITE chancery: 2108 16th Street NW, Washington, DC 20009 telephone: [1] (202) 785-1156 FAX: [1] (202) 785-1258 consulate(s) general: Houston, New York |
| Anguilla | none (overseas territory of the UK) |
| Antarctica | void |
| Antigua and Barbuda | chief of mission: Ambassador Deborah Mae LOVELL chancery: 3216 New Mexico Avenue NW, Washington, DC 20016 telephone: [1] (202) 362-5122 FAX: [1] (202) 362-5225 consulate(s) general: Miami |
| Arctic Ocean | void |
| Argentina | chief of mission: Ambassador Hector Marcos TIMERMAN chancery: 1600 New Hampshire Avenue NW, Washington, DC 20009 telephone: [1] (202) 238-6400 FAX: [1] (202) 332-3171 consulate(s) general: Atlanta, Chicago, Houston, Los Angeles, Miami, New York |
| Armenia | chief of mission: Ambassador Tatoul MARKARIAN chancery: 2225 R Street NW, Washington, DC 20008 telephone: [1] (202) 319-1976 FAX: [1] (202) 319-2982 consulate(s) general: Los Angeles |
| Aruba | none (represented by the Kingdom of the Netherlands); note - Mr. Henry Baarh, Minister Plenipotentiary for Aruba at the Embassy of the Kingdom of the Netherlands |
| Ashmore and Cartier Islands | none (territory of Australia) |