| ccTLD | Entity | Registry Operator | Notes |
| .ac | Ascension Island | AC Domain Registry | |
| .ad | Andorra | Andorra Telecom | |
| .ae | United Arab Emirates | Telecommunication Regulatory Authority (TRA) | |
| .af | Afghanistan | Afghanistan Ministry of Communications and IT | |
| .ag | Antigua and Barbuda | UHSA School of Medicine | |
| .ai | Anguilla | Government of Anguilla | |
| .al | Albania | Albania Electronic and Postal Communications Authority (AKEP) | |
| .am | Armenia | ISOC Armenia | Citizenship required |
| .an | Antilles (Netherlands) | University of the Netherlands - Antilles | Being phased out |
| .ao | Angola | Faculdade de Engenharia da Universidade Agostinho Neto | |
| .aq | Antarctica | Mott and Associates | Available to government organizations who are signatories to the Antarctic Treaty, and other registrants with a local physical presence. |
| .ar | Argentina | MRECIC | |
| .as | American Samoa | AS Domain Registry | |
| .at | Austria | Nic.at | |
| .au | Australia | auDA | ABN (Australian Business Number) required |
| .aw | Aruba | SETAR | Restricted to local companies, organizations, and citizens |
| .ax | Aland Islands | Ålands landskapsregering | |
| .az | Azerbaijan | IntraDNS | |
| .ba | Bosnia and Herzegovina | UTIC | |
| .bb | Barbados | Government of Barbados Ministry of Economic Affairs and Development Telecommunications Unit | |
| .bd | Bangladesh | Ministry of Post & Telecommunications Bangladesh Secretariat | |
| .be | Belgium | DNS BE | Also unofficially used in Berne, Switzerland |
| .bf | Burkina Faso | ARCE | |
| .bg | Bulgaria | Register.BG | |
| .bh | Bahrain | BATELCO | |
| .bi | Burundi | Centre National de l'Informatique | |
| .bj | Benin | Offices des Postes et Telecommunications | |
| .bl | Saint Barthelemy | Unassigned | Currently not in root zone |
| .bm | Bermuda | Registry General Ministry of Labour and Immigration | Local corporate registration required |
| .bn | Brunei Darussalam | Jabatan Telekom Brunei | |
| .bo | Bolivia | Agencia para el Desarrollo de la Información de la Sociedad en Bolivia | |
| .bq | Bonaire, Sint Eustatius and Saba | Unassigned | Currently not in root zone |
| .br | Brazil | Comite Gestor da Internet no Brasil | Top level registration is restricted, registration at second level |
| .bs | Bahamas | The College of the Bahamas | |
| .bt | Bhutan | Ministry of Information and Communications | |
| .bv | Bouvet Island | UNINETT Norid AS | Not in use |
| .bw | Botswana | University of Botswana | |
| .by | Belarus | Open Contact Ltd. | |
| .bz | Belize | University of Belize | |
| .ca | Canada | CIRA | Subject to Canadian Presence Requirements |
| .cc | Cocos (Keeling) Islands | eNIC Cocos Islands Pty. Ltd. | Second level domains used in free, public domain service |
| .cd | Democratic Republic of the Congo | OCPT | |
| .cf | Central African Republic | SOCATEL | |
| .cg | Republic of Congo | ONPT Congo and Interpoint Switzerland | |
| .ch | Switzerland | SWITCH | |
| .ci | Cote d'Ivoire | INP-HB | |
| .ck | Cook Islands | Telecom Cook Islands Ltd. | |
| .cl | Chile | NIC Chile | Local presence required |
| .cm | Cameroon | CAMTEL | Restricted to local entities/companies |
| .cn | China | CNNIC | Registration allowed worldwide |
| .co | Colombia | .co Internet | |
| .cr | Costa Rica | Academia Nacional de Ciencias | |
| .cu | Cuba | CENIA | |
| .cv | Cape Verde | ANAC | |
| .cw | Curaçao | Unassigned | Currently not in root zone |
| .cx | Christmas Island | Christmas Island Internet Administration Ltd. | |
| .cy | Cyprus | University of Cyprus | |
| .cz | Czech Republic | CZ.NIC | |
| .de | Germany | DENIC | German postal address required for administrative contact |
| .dj | Djibouti | Djibouti Telecom SA | |
| .dk | Denmark | Dansk Internet Forum | |
| .dm | Dominica | DotDM Corporation | |
| .do | Dominican Republic | Pontificia Universidad Catolica Madre y Maestra Recinto Santo Tomas de Aquino | |
| .dz | Algeria | CERIST | |
| .ec | Ecuador | NIC.EC | |
| .ee | Estonia | National Institute of Chemical Physics and Biophysics | Estonian postal address required for administrative contact |
| .eg | Egypt | EUN Supreme Council of Universities | |
| .eh | Western Sahara | Unassigned | Currently not in root zone |
| .er | Eritrea | EriTel | |
| .es | Spain | Red.es | |
| .et | Ethiopia | Ethiopian Telecommunications Corporation | |
| .eu | European Union | EURid | Restricted to institutions, companies, and individuals within the European Union |
| .fi | Finland | Finnish Communications Regulatory Authority | Limited to companies and organizations registered in Finland and Finnish citizens |
| .fj | Fiji | The University of the South Pacific IT Services | |
| .fk | Falkland Islands (Malvinas) | Falkland Islands Government | |
| .fm | Federated States of Micronesia | FSM Telecommunications Corporation | |
| .fo | Faroe Islands | FO Council | |
| .fr | France | AFNIC | French presence required |
| .ga | Gabon | Gabon Telecom | |
| .gb | United Kingdom | Unassigned, reserved domain | Originally meant to replace .uk |
| .gd | Grenada | NTRC | |
| .ge | Georgia | Caucasus Online | |
| .gf | French Guiana | Net Plus | |
| .gg | Guernsey | Island Networks Ltd. | |
| .gh | Ghana | Network Computer Systems Ltd. | |
| .gi | Gibraltar | Sapphire Networks | |
| .gl | Greenland | TELE Greenland AS | |
| .gm | Gambia | GM-NIC | |
| .gn | Guinea | Centre National des Sciences Halieutiques de Boussoura | |
| .gp | Guadeloupe | Networking Technologies Group | |
| .gq | Equatorial Guinea | GETESA | |
| .gr | Greece | ICS-FORTH GR | |
| .gs | South Georgia and the South Sandwich Islands | GSGSSI | |
| .gt | Guatemala | Universidad del Valle de Guatemala | |
| .gu | Guam | University of Guam Computer Center | |
| .gw | Guinea-Bissau | Fundação IT and MEDIA Universidade de Bissao | |
| .gy | Guyana | University of Guyana | |
| .hk | Hong Kong | Hong Kong Internet Registration Corporation Ltd. | |
| .hm | Heard Island and McDonald Islands | HM Domain Registry | |
| .hn | Honduras | Red de Desarrollo Sostenible Honduras | |
| .hr | Croatia | CARnet | |
| .ht | Haiti | Consortium FDS/RDDH | |
| .hu | Hungary | CHIP | |
| .id | Indonesia | IDNIC-PPAU Mikroelektronika | |
| .ie | Ireland | University College Dublin Computing Services | Limited to Irish citizens, Ireland-registered brands and companies, and companies doing business in Ireland |
| .il | Israel | ISOC Israel | |
| .im | Isle of Man | Isle of Man Government | |
| .in | India | NIXI | |
| .io | British Indian Ocean Territory | IO Top Level Domain Registry Cable and Wireless | |
| .iq | Iraq | CMC | |
| .ir | Islamic Republic of Iran | Institute for Research in Fundamental Sciences | |
| .is | Iceland | ISNIC | |
| .it | Italy | IIT - CNR | Restricted to companies and individuals within the EU |
| .je | Jersey | Island Networks (Jersey) Ltd. | |
| .jm | Jamaica | University of West Indies | |
| .jo | Jordan | NITC | |
| .jp | Japan | Japan Registry Services | Physical address within Japan required |
| .ke | Kenya | KeNIC | |
| .kg | Kyrgyzstan | AsiaInfo Telecommunications Enterprise | |
| .kh | Cambodia | Cambodia Ministry of Post and Telecommunications | |
| .ki | Kiribati | Ministry of Communications, Transport, and Tourism Development | |
| .km | Comoros | Comores Telecom | |
| .kn | Saint Kitts and Nevis | Ministry of Finance, Sustainable Development Information & Technology | |
| .kp | Democratic People's Republic of Korea | Star Joint Venture Company | |
| .kp | Republic of Korea | KISA | |
| .kw | Kuwait | Ministry of Communications | |
| .ky | Caymen Islands | The Information and Communication Authority | Restricted to qualified Cayman entities |
| .kz | Kazakhstan | Association of IT Companies of Kazakhstan | |
| .la | Laos | LANIC | Currently marketed as an unofficial domain for Los Angeles |
| .lb | Lebanon | American University of Beirut Computing and Networking Services | Restricted to companies within Lebanon |
| .lc | Saint Lucia | University of Puerto Rico | |
| .li | Liechtenstein | Universitaet Liechtenstein | |
| .lk | Sri Lanka | Council for Information Technology and LK Domain Registrar | |
| .lr | Liberia | Data Technology Solutions, Inc. | |
| .ls | Lesotho | National University of Lesotho | |
| .lt | Lithuania | Kaunas University of Technology Information Technology Development Institute | |
| .lu | Luxembourg | RESTENA | |
| .lv | Latvia | Institute of Mathematics and Computer Science Department of Network Solutions | |
| .ly | Libya | General Post and Telecommunications Company | |
| .ma | Morocco | ANRT | |
| .mc | Monaco | Gouvernement de Monaco Direction des Communications Electroniques | |
| .md | Republic of Moldova | MoldData | Marketed to medical professionals worldwide |
| .me | Montenegro | Government of Montenegro | |
| .mf | Saint Martin | Unassigned | Currently not in root zone |
| .mg | Madagascar | NIC-MG | |
| .mh | Marshall Islands | Cabinet Office | |
| .mk | Macedonia | Ministry of Foreign Relations | Restricted to companies within Macedonia |
| .ml | Mali | SOTELMA | |
| .mm | Myanmar | Ministry of Communications, Posts & Telegraphs | |
| .mn | Mongolia | Datacom Co., Ltd. | |
| .mo | Macao | University of Macau | |
| .mp | Northern Mariana Islands | Saipan Datacom | |
| .mq | Martinique | SYSTEL | |
| .mr | Mauritania | University of Nouakchott | |
| .ms | Montserrat | MNI Networks Ltd. | |
| .mt | Malta | NIC Malta | |
| .mu | Mauritius | Internet Direct Ltd | |
| .mv | Maldives | DHIVEHINET | |
| .mw | Malawi | Malawi SDNP | |
| .mx | Mexico | NIC Mexico | |
| .my | Malaysia | MYNIC | Restricted to individuals and companies within Malaysia |
| .nc | New Caledonia | Office des Postes et Telecommunications | |
| .ne | Niger | SONITEL | |
| .nf | Norfolk Island | Norfolk Island Data Services | |
| .ng | Nigeria | NiRA | |
| .ni | Nicaragua | Universidad Nacional del Ingernieria Centro de Computo | |
| .nl | Netherlands | Stichting Internet Domeinregistratie Nederland | Was the first official ccTLD to be assigned |
| .no | Norway | UNINETT Norid AS | Restricted to companies in Norway. Individuals may register under the SLD .priv.no. |
| .np | Nepal | Mercantile Communications | |
| .nr | Nauru | CENPAC NET | Second level domain .co.nr is used as a free domain service |
| .nu | Niue | The IUSN Foundation | Unofficially used as "new" for English language websites and "now" for Danish, Dutch, and Swedish websites. |
| .nz | New Zealand | InternetNZ | |
| .om | Oman | TRA | |
| .pa | Panama | Universidad Tecnologica de Panama | |
| .pe | Peru | Red Cientifica Peruana | |
| .pf | French Polynesia | Ministère des Postes et Télécommunications | |
| .pg | Papua New Guinea | PNG DNS Administration | |
| .ph | Philippines | PH Domain Foundation | |
| .pk | Pakistan | PKNIC | |
| .pl | Poland | Research and Academic Computer Network | |
| .pm | Saint Pierre and Miquelon | AFNIC | |
| .pn | Pitcairn | Pitcairn Island Administration | |
| .pr | Puerto Rico | Gauss Research Laboratory | |
| .ps | Palestine | Ministry of Telecommunications & IT | |
| .pt | Portugal | Fundação para a Computação Científica Nacional | |
| .pw | Palau | Micronesia Investment and Development Corporation | |
| .py | Paraguay | NIC-PY | |
| .qa | Qatar | ictQATAR | |
| .re | Reunion | AFNIC | Restricted to brand owners in Reunion and to companies with an address in Reunion. |
| .ro | Romania | National Institute for R&D in Informatics | |
| .rs | Serbia | RNIDS | |
| .ru | Russia | Coordination Center for TLD RU | |
| .rw | Rwanda | NIC Congo | |
| .sa | Saudi Arabia | Communications and Information Technology | |
| .sb | Solomon Islands | Solomon Telekom Company | |
| .sc | Seychelles | VCS | |
| .sd | Sudan | ISOC Sudan | |
| .se | Sweden | Interner Infrastructure Foundation | |
| .sg | Singapore | SGNIC | |
| .sh | Saint Helena | Government of St. Helena | |
| .si | Slovenia | ARNES | |
| .sj | Svalbard and Jan Mayen | UNINETT Norid AS | Not in use |
| .sk | Slovakia | SK-NIC | Restricted to Slovakian companies, organizations, and citizens |
| .sl | Sierra Leone | Sierratel | |
| .sm | San Marino | Telecom Italia San Marino | Domain name must be same as company name or trademark |
| .sn | Senegal | Universite Cheikh Anta Diop and NIC Senegal | |
| .so | Somalia | Somalia Ministry of Post and Telecommunications | Relaunched on Novemner 1, 2010 |
| .sr | Suriname | Telesur | |
| .ss | South Sudan | Unassigned | Currently not in root zone |
| .st | Sao Tome and Principe | Tecnisys | |
| .su]] | Soviet Union | ROSNIIROS | Being phased out in favor of .ru |
| .sv | El Salvador | SVNet | |
| .sx | Sint Maarten | Unassigned | Currently not in root zone |
| .sy | Syria | NANS | |
| .sz | Swaziland | University of Swaziland Department of Computer Science | |
| .tc | Turks and Caicos Islands | MelrexTC | |
| .td | Chad | SOTEL TCHAD | Restricted to entities connected with Chad |
| .tf | French Southern Territories | AFNIC | |
| .tg | Togo | Cafe Informatique et Telecommunications | |
| .th | Thailand | THNIC | |
| .tj | Tajikistan | Information Technology Center | |
| .tk | Tokelau | Teletok | Used as a free public domain service |
| .tl | Timor-Leste | Ministry Infrastructure Information and Technology Division | Old code, .tp, still also in use |
| .tm | Turkmenistan | TM Domain Registry | |
| .tn | Tunisia | Agence Tunisienne d'Internet | |
| .to | Tonga | Government of the Kingdom of Tonga | Unofficially used for torrent, Toronto, and Tokyo |
| .tp | Portuguese Timor | Unassigned | Being phased out in favor of .tl |
| .tr | Turkey | Middle East Technical University Department of Computer Engineering | .nc.tr used by Northern Cyprus |
| .tt | Trinidad and Tobago | University of the West Indies Faculty of Engineering | |
| .tv | Tuvalu | Ministry of Finance and Tourism | Used as a abbreviation for television |
| .tw | Taiwan | TWNIC | Registration allowed worldwide |
| .tz | Tanzania | TzNIC | Presence within Tanzania required |
| .ua | Ukraine | Communication Systems Ltd. | |
| .ug | Uganda | Uganda Online | |
| .uk | United Kingdom | Nominet | Ukranian trademark required |
| .um | United States Minor Outlying Islands | Unassigned | Currently not in root zone |
| .us | United States | NeuStar | Commonly used by US state and local governments instead of .gov |
| .uy | Uruguay | SeCIU | |
| .uz | Uzbekistan | UZINFOCOM | |
| .va | Vatican City | Internet Office of the Holy See | Limited to officials sites of the Vatican/Holy See |
| .vc | Saint Vincent and the Grenadines | Ministry of Telecommunications, Science, Technology and Industry | |
| .ve | Venezuela | CONATEL | |
| .vg | British Virgin Islands | Pinebrook Developments Ltd. | |
| .vi | US Virgin Islands | NIC.vi | |
| .vn | Vietnam | Ministry of Information and Communications of Socialist Republic of Viet Nam | |
| .vu | Vanuatu | Telecom Vanuatu Ltd. | |
| .wf | Wallis and Futuna | AFNIC | |
| .ws | Samoa | Government of Samoa Ministry of Foreign Affairs | |