| | |
| AD | Andorra
| | AE | United Arab Emirates
| | AF | Afghanistan
| | AG | Antigua and Barbuda
| | AI | Anguilla
| | AL | Albania
| | AM | Armenia
| | AN | Netherlands Antilles
| | AO | Angola
| | AQ | Antarctica
| | AR | Argentina
| | ARPA | Old style Arpanet
| | AS | American Samoa
| | AT | Austria
| | AU | Australia
| | AW | Aruba
| | AZ | Azerbaijan
| | | |
| BA | Bosnia and Herzegovina
| | BB | Barbados
| | BD | Bangladesh
| | BE | Belgium
| | BF | Burkina Faso
| | BG | Bulgaria
| | BH | Bahrain
| | BI | Burundi
| | BJ | Benin
| | BM | Bermuda
| | BN | Brunei Darussalam
| | BO | Bolivia
| | BR | Brazil
| | BS | Bahamas
| | BT | Bhutan
| | BV | Bouvet Island
| | BW | Botswana
| | BY | Belarus
| | BZ | Belize
| | | |
| CA | Canada
| | CC | Cocos (Keeling) Islands
| | CF | Central African Republic
| | CG | Congo
| | CH | Switzerland
| | CI | Cote D'Ivoire (Ivory Coast)
| | CK | Cook Islands
| | CL | Chile
| | CM | Cameroon
| | CN | China (Čína)
| | CO | Colombia
| | COM | US Commercial
| | CR | Costa Rica
| | CS | Czechoslovakia (former)
| | CU | Cuba
| | CV | Cape Verde
| | CX | Christmas Island
| | CY | Cyprus
| | CZ | Czech Republic
| | | |
| DE | Germany
| | DJ | Djibouti
| | DK | Denmark
| | DM | Dominica
| | DO | Dominican Republic
| | DZ | Algeria
| | | |
| EC | Ecuador
| | EDU | US Educational
| | EE | Estonia
| | EG | Egypt
| | EH | Western Sahara
| | ER | Eritrea
| | ES | Spain
| | ET | Ethiopia
| | | |
| FI | Finland
| | FJ | Fiji
| | FK | Falkland Islands
| | FM | Micronesia
| | FO | Faroe Islands
| | FR | France
| | FX | France, Metropolitan
| | | |
| GA | Gabon
| | GB | Great Britain (UK)
| | GD | Grenada
| | GE | Georgia
| | GF | French Guiana
| | GH | Ghana
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| GI | Gibraltar
| | GL | Greenland (Island)
| | GM | Gambia
| | GN | Guinea
| | GOV | US Government
| | GP | Guadeloupe
| | GQ | Equatorial Guinea
| | GR | Greece
| | GS | S. Georgia and S. Sandwich Isls.
| | GT | Guatemala
| | GU | Guam
| | GW | Guinea-Bissau
| | GY | Guyana
| | | |
| HK | Hong Kong
| | HM | Heard and McDonald Islands
| | HN | Honduras
| | HR | Croatia
| | HT | Haiti
| | HU | Hungary
| | | |
| ID | Indonesia
| | IE | Ireland
| | IL | Israel
| | IN | India
| | INT | International
| | IO | British Indian Ocean Territory
| | IQ | Iraq
| | IR | Iran
| | IS | Iceland
| | IT | Italy
| | | |
| JM | Jamaica
| | JO | Jordan
| | JP | Japan
| | | |
| KE | Kenya
| | KG | Kyrgyzstan
| | KH | Cambodia
| | KI | Kiribati
| | KM | Comoros
| | KN | Saint Kitts and Nevis
| | KP | Korea (North)
| | KR | Korea (South)
| | KW | Kuwait
| | KY | Cayman Islands
| | KZ | Kazakhstan
| | | |
| LA | Laos
| | LB | Lebanon
| | LC | Saint Lucia
| | LI | Liechtenstein
| | LK | Sri Lanka
| | LR | Liberia
| | LS | Lesotho
| | LT | Lithuania
| | LU | Luxembourg
| | LV | Latvia
| | LY | Libya
| | | |
| MA | Morocco
| | MC | Monaco
| | MD | Moldova
| | MG | Madagascar
| | MH | Marshall Islands
| | MIL | US Military
| | MK | Macedonia
| | ML | Mali
| | MM | Myanmar
| | MN | Mongolia
| | MO | Macau
| | MP | Northern Mariana Islands
| | MQ | Martinique
| | MR | Mauritania
| | MS | Montserrat
| | MT | Malta
| | MU | Mauritius
| | MV | Maldives
| | MW | Malawi
| | MX | Mexico
| | MY | Malaysia
| | MZ | Mozambique
| | | |
| NA | Namibia
| | NATO | N.A.T.O.
| NC | New Caledonia
| | NE | Niger
| | NET | Network
| | NF | Norfolk Island
| | NG | Nigeria
| | NI | Nicaragua
| | NL | Netherlands
| | NO | Norway
| | NP | Nepal
| | NR | Nauru
| | NT | Neutral Zone
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| NU | Niue
| | NZ | New Zealand
| | | |
| OM | Oman
| | ORG | US - Non-Profit Organization
| | | |
| PA | Panama
| | PE | Peru
| | PF | French Polynesia
| | PG | Papua New Guinea
| | PH | Philippines
| | PK | Pakistan
| | PL | Poland
| | PM | St. Pierre and Miquelon
| | PN | Pitcairn
| | PR | Puerto Rico
| | PT | Portugal
| | PW | Palau
| | PY | Paraguay
| | | |
| QA | Qatar
| | | |
| RE | Reunion
| | RO | Romania
| | RU | Russian Federation
| | RW | Rwanda
| | | |
| SA | Saudi Arabia
| | SB | Solomon Islands
| | SC | Seychelles
| | SD | Sudan
| | SE | Sweden
| | SG | Singapore
| | SH | St. Helena
| | SI | Slovenia
| | SJ | Svalbard and Jan Mayen Islands
| | SK | Slovak Republic
| | SL | Sierra Leone
| | SM | San Marino
| | SN | Senegal
| | SO | Somalia
| | SR | Suriname
| | ST | Sao Tome and Principe
| | SU | USSR (former)
| | SV | El Salvador
| | SY | Syria
| | SZ | Swaziland
| | | |
| TC | Turks and Caicos Islands
| | TD | Chad
| | TF | French Southern Territories
| | TG | Togo
| | TH | Thailand
| | TJ | Tajikistan
| | TK | Tokelau
| | TM | Turkmenistan
| | TN | Tunisia
| | TO | Tonga
| | TP | East Timor
| | TR | Turkey
| | TT | Trinidad and Tobago
| | TV | Tuvalu
| | TW | Taiwan
| | TZ | Tanzania
| | | |
| UA | Ukraine
| | UG | Uganda
| | UK | United Kingdom
| | UM | US Minor Outlying Islands
| | US | United States
| | UY | Uruguay
| | UZ | Uzbekistan
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| VA | Vatican City State (Holy See)
| | VC | Saint Vincent and the Grenadines
| | VE | Venezuela
| | VG | Virgin Islands (British)
| | VI | Virgin Islands (U.S.)
| | VN | Viet Nam
| | VU | Vanuatu
| | | |
| WF | Wallis and Futuna Islands
| | WS | Samoa
| | | |
| YE | Yemen
| | YT | Mayotte
| | YU | Yugoslavia
| | | |
| ZA | South Africa
| | ZM | Zambia
| | ZR | Zaire
| | ZW | Zimbabwe
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