word | | Internet country code |
| ccTLD | Saint Martin | .mf; note - .gp, the ccTLD for Guadeloupe, and .fr, the ccTLD for France, might also be encountered |
| cd | Congo, Democratic Republic of the | .cd |
| cf | Central African Republic | .cf |
| cg | Congo, Republic of the | .cg |
| ch | Switzerland | .ch |
| ci | Cote d'Ivoire | .ci |
| ck | Cook Islands | .ck |
| cl | Chile | .cl |
| cn | China | .cn |
| co | Colombia | .co |
| codes | European Union | .eu (effective 2005); note - see country entries of member states for individual country codes |
| cr | Costa Rica | .cr |
| cu | Cuba | .cu |
| cv | Cape Verde | .cv |
| cx | Christmas Island | .cx |
| cy | Cyprus | .cy |
| cz | Czech Republic | .cz |
| dj | Djibouti | .dj |
| dk | Denmark | .dk |
| dm | Dominica | .dm |
| domain | Russia | .ru; note - Russia also has responsibility for a legacy domain ".su" that was allocated to the Soviet Union and is being phased out |
| dz | Algeria | .dz |
| ec | Ecuador | .ec |
| ee | Estonia | .ee |
| effective | European Union | .eu (effective 2005); note - see country entries of member states for individual country codes |
| eg | Egypt | .eg |
| eh | Western Sahara | .eh |
| encountered | Saint Barthelemy | .bl; note - .gp, the ccTLD for Guadeloupe, and .fr, the ccTLD for France, might also be encountered |
| encountered | Saint Martin | .mf; note - .gp, the ccTLD for Guadeloupe, and .fr, the ccTLD for France, might also be encountered |
| entries | European Union | .eu (effective 2005); note - see country entries of member states for individual country codes |
| er | Eritrea | .er |
| es | Spain | .es |
| et | Ethiopia | .et |
| eu | European Union | .eu (effective 2005); note - see country entries of member states for individual country codes |
| fi | Finland | .fi; note - Aland Islands assigned .ax |
| fj | Fiji | .fj |
| fk | Falkland Islands (Islas Malvinas) | .fk |
| fm | Micronesia, Federated States of | .fm |