I got this list from a posting to the comp.std.internat newsgroup; unfortunately, I've lost the information about who compiled it. Also, it's somewhat out of date, particularly as regards Eastern Europe. If you have a more current list, or better yet, a URL for a version of this list that's kept uptodate, please send me mail at <js@aq.org> and let me know about it.
Country Code ============================== ==== ALBANIA al ALGERIA dz AMERICAN SAMOA as ANDORRA ad ANGOLA ao ANGUILLA ai ANTARCTICA aq ANTIGUA AND BARBUDA ag ARGENTINA ar ARUBA aw AUSTRALIA au AUSTRIA at BAHAMAS bs BAHRAIN bh BANGLADESH bd BARBADOS bb BELGIUM be BELIZE bz BENIN bj BERMUDA bm BHUTAN bt BOLIVIA bo BOTSWANA bw BOUVET ISLAND bv BRAZIL br BRITISH INDIAN OCEAN TERRITORY io BRUNEI DARUSSALAM bn BULGARIA bg BURKINA FASO bf BURUNDI bi BYELORUSSIAN SSR by CAMBODIA kh CAMEROON cm CANADA ca CAPE VERDE cv CAYMAN ISLANDS ky CENTRAL AFRICAN REPUBLIC cf CHAD td CHILE cl CHINA cn CHRISTMAS ISLAND cx COCOS (KEELING) ISLANDS cc COLOMBIA co COMOROS km CONGO cg COOK ISLANDS ck COSTA RICA cr COTE D'IVOIRE ci CUBA cu CYPRUS cy CZECHOSLOVAKIA cs DENMARK dk DJIBOUTI dj DOMINICA dm DOMINICAN REPUBLIC do EAST TIMOR tp ECUADOR ec EGYPT eg EL SALVADOR sv EQUATORIAL GUINEA gq ETHIOPIA et FALKLAND ISLANDS (MALVINAS) fk FAROE ISLANDS fo FIJI fj FINLAND fi FRANCE fr FRENCH GUIANA gf FRENCH POLYNESIA pf FRENCH SOUTHERN TERRITORIES tf GABON ga GAMBIA gm GERMANY de GHANA gh GIBRALTAR gi GREECE gr GREENLAND gl GRENADA gd GUADELOUPE gp GUAM gu GUATEMALA gt GUINEA gn GUINEA-BISSAU gw GUYANA gy HAITI ht HEARD AND MC DONALD ISLANDS hm HONDURAS hn HONG KONG hk HUNGARY hu ICELAND is INDIA in INDONESIA id IRAN (ISLAMIC REPUBLIC OF) ir IRAQ iq IRELAND ie ISRAEL il ITALY it JAMAICA jm JAPAN jp JORDAN jo KENYA ke KIRIBATI ki KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF kp KOREA, REPUBLIC OF kr KUWAIT kw LAO PEOPLE'S DEMOCRATIC REPUBLIC la LEBANON lb LESOTHO ls LIBERIA lr LIBYAN ARAB JAMAHIRIYA ly LIECHTENSTEIN li LUXEMBOURG lu MACAU mo MADAGASCAR mg MALAWI mw MALAYSIA my MALDIVES mv MALI ml MALTA mt MARSHALL ISLANDS mh MARTINIQUE mq MAURITANIA mr MAURITIUS mu MEXICO mx MICRONESIA fm MONACO mc MONGOLIA mn MONTSERRAT ms MOROCCO ma MOZAMBIQUE mz MYANMAR mm NAMIBIA na NAURU nr NEPAL np NETHERLANDS nl NETHERLANDS ANTILLES an NEUTRAL ZONE nt NEW CALEDONIA nc NEW ZEALAND nz NICARAGUA ni NIGER ne NIGERIA ng NIUE nu NORFOLK ISLAND nf NORTHERN MARIANA ISLANDS mp NORWAY no OMAN om PAKISTAN pk PALAU pw PANAMA pa PAPUA NEW GUINEA pg PARAGUAY py PERU pe PHILIPPINES ph PITCAIRN pn POLAND pl PORTUGAL pt PUERTO RICO pr QATAR qa REUNION re ROMANIA ro RWANDA rw ST. HELENA sh SAINT KITTS AND NEVIS kn SAINT LUCIA lc ST. PIERRE AND MIQUELON pm SAINT VINCENT AND THE GRENADINES vc SAMOA ws SAN MARINO sm SAO TOME AND PRINCIPE st SAUDI ARABIA sa SENEGAL sn SEYCHELLES sc SIERRA LEONE sl SINGAPORE sg SOLOMON ISLANDS sb SOMALIA so SOUTH AFRICA za SPAIN es SRI LANKA lk SUDAN sd SURINAME sr SVALBARD AND JAN MAYEN ISLANDS sj SWAZILAND sz SWEDEN se SWITZERLAND ch SYRIAN ARAB REPUBLIC sy TAIWAN, PROVINCE OF CHINA tw TANZANIA, UNITED REPUBLIC OF tz THAILAND th TOGO tg TOKELAU tk TONGA to TRINIDAD AND TOBAGO tt TUNISIA tn TURKEY tr TURKS AND CAICOS ISLANDS tc TUVALU tv UGANDA ug UKRAINIAN SSR ua UNITED ARAB EMIRATES ae UNITED KINGDOM gb (but use uk instead) UNITED STATES us UNITED STATES MINOR OUTLYING ISLANDS um URUGUAY uy USSR su (obsolete) VANUATU vu VATICAN CITY STATE (HOLY SEE) va VENEZUELA ve VIET NAM vn VIRGIN ISLANDS (BRITISH) vg VIRGIN ISLANDS (U.S.) vi WALLIS AND FUTUNA ISLANDS wf WESTERN SAHARA eh YEMEN, REPUBLIC OF ye YUGOSLAVIA yu ZAIRE zr ZAMBIA zm ZIMBABWE zw