| Country Codes and Internet Top Level domains |
| AD Andorra | BY Belarus | FI Finland |
| AE United Arab Emirates | BZ Belize | FJ Fiji |
| AF Afghanistan | CA Canada | FK Falkland Islands (Malvinas) |
| AG Antigua and Barbuda | CC Cocos (Keeling) Islands | FM Micronesia |
| AI Anguilla | CF Central African Republic | FO Faroe Islands |
| AL Albania | CG Congo | FR France |
| AM Armenia | CH Switzerland | FX France, Metropolitan |
| AN Netherlands Antilles | CI Cote D''Ivoire (Ivory Coast) | GA Gabon |
| AO Angola | CK Cook Islands | GB Great Britain (UK) |
| AQ Antarctica | CL Chile | GD Grenada |
| AR Argentina | CM Cameroon | GE Georgia |
| AS American Samoa | CN China | GF French Guiana |
| AT Austria | CO Colombia | GG Guernsey |
| AU Australia | CR Costa Rica | GH Ghana |
| AW Aruba | CS Czechoslovakia (former) | GI Gibraltar |
| AZ Azerbaijan | CU Cuba | GL Greenland |
| BA Bosnia and Herzegovina | CV Cape Verde | GM Gambia |
| BB Barbados | CX Christmas Island | GN Guinea |
| BD Bangladesh | CY Cyprus | GP Guadeloupe |
| BE Belgium | CZ Czech Republic | GQ Equatorial Guinea |
| BF Burkina Faso | DE Germany | GR Greece |
| BG Bulgaria | DJ Djibouti | GS S. Georgia and S. Sandwich Isls. |
| BH Bahrain | DK Denmark | GT Guatemala |
| BI Burundi | DM Dominica | GU Guam |
| BJ Benin | DO Dominican Republic | GW Guinea-Bissau |
| BM Bermuda | DZ Algeria | GY Guyana |
| BN Brunei Darussalam | EC Ecuador | HK Hong Kong |
| BO Bolivia | EE Estonia | HM Heard and McDonald Islands |
| BR Brazil | EG Egypt | HN Honduras |
| BS Bahamas | EH Western Sahara | HR Croatia (Hrvatska) |
| BT Bhutan | ER Eritrea | HT Haiti |
| BV Bouvet Island | ES Spain | HU Hungary |
| BW Botswana | ET Ethiopia | ID Indonesia |
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| IE Ireland | LY Libya | NU Niue |
| IL Israel | MA Morocco | NZ New Zealand (Aotearoa) |
| IN India | MC Monaco | OM Oman |
| IO British Indian Ocean Territory | MD Moldova | PA Panama |
| IQ Iraq | MG Madagascar | PE Peru |
| IR Iran | MH Marshall Islands | PF French Polynesia |
| IS Iceland | MK Macedonia | PG Papua New Guinea |
| IT Italy | ML Mali | PH Philippines |
| JM Jamaica | MM Myanmar | PK Pakistan |
| JO Jordan | MN Mongolia | PL Poland |
| JE Jersey | MO Macau | PM St. Pierre and Miquelon |
| JP Japan | MP Northern Mariana Islands | PN Pitcairn |
| KE Kenya | MQ Martinique | PR Puerto Rico |
| KG Kyrgyzstan | MR Mauritania | PT Portugal |
| KH Cambodia | MS Montserrat | PW Palau |
| KI Kiribati | MT Malta | PY Paraguay |
| KM Comoros | MU Mauritius | QA Qatar |
| KN Saint Kitts and Nevis | MV Maldives | RE Reunion |
| KP Korea (North) | MW Malawi | RO Romania |
| KR Korea (South) | MX Mexico | RU Russian Federation |
| KW Kuwait | MY Malaysia | RW Rwanda |
| KY Cayman Islands | MZ Mozambique | SA Saudi Arabia |
| KZ Kazakhstan | NA Namibia | Sb Solomon Islands |
| LA Laos | NC New Caledonia | SC Seychelles |
| LB Lebanon | NE Niger | SD Sudan |
| LC Saint Lucia | NF Norfolk Island | SE Sweden |
| LI Liechtenstein | NG Nigeria | SG Singapore |
| LK Sri Lanka | NI Nicaragua | SH St. Helena |
| LR Liberia | NL Netherlands | SI Slovenia |
| LS Lesotho | NO Norway | SJ Svalbard and Jan Mayen Islands |
| LT Lithuania | NP Nepal | SK Slovak Republic |
| LU Luxembourg | NR Nauru | SL Sierra Leone |
| LV Latvia | NT Neutral Zone | SM San Marino |
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| SN Senegal | US United States | |
| SO Somalia | UY Uruguay | |
| SR Suriname | UZ Uzbekistan | |
| ST Sao Tome and Principe | VA Vatican City State (Holy See) | |
| SU USSR (former) | VC Saint Vincent and the Grenadines | |
| SV El Salvador | VE Venezuela | |
| SY Syria | VG Virgin Islands (British) | |
| SZ Swaziland | VI Virgin Islands (U.S.) | |
| TC Turks and Caicos Islands | VN Viet Nam | |
| TD Chad | VU Vanuatu | |
| TF French Southern Territories | WF Wallis and Futuna Islands | |
| TG Togo | WS Samoa | |
| TH Thailand | YE Yemen | |
| TJ Tajikistan | YT Mayotte | |
| TK Tokelau | YU Yugoslavia | |
| TM Turkmenistan | ZA South Africa | |
| TN Tunisia | ZM Zambia | |
| TO Tonga | ZR Zaire | |
| TP East Timor | ZW Zimbabwe | |
| TR Turkey | COM US Commercial | |
| TT Trinidad and Tobago | EDU US Educational | |
| TV Tuvalu | GOV US Government | |
| TW Taiwan | INT International | |
| TZ Tanzania | MIL US Military | |
| UA Ukraine | NET Network | |
| UG Uganda | ORG Non-Profit Organization | |
| UK United Kingdom | ARPA Old style Arpanet | |
| UM US Minor Outlying Islands | NATO Nato field | |
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