| Код | Географический регион | 
| a | Asia | 
| a-af | Afghanistan | 
| a-ai | Armenia (Republic) | 
| a-aj | Azerbaijan | 
| a-ba | Bahrain | 
| a-bg | Bangladesh | 
| a-bn | Borneo | 
| a-br | Burma | 
| a-bt | Bhutan | 
| a-bx | Brunei | 
| a-cb | Cambodia | 
| a-cc | China | 
| a-cc-an | Anhui Sheng (China) | 
| a-cc-ch | Zhejiang Sheng (China) | 
| a-cc-fu | Fujian Sheng (China) | 
| a-cc-ha | Hainan Sheng (China) | 
| a-cc-he | Heilongjiang Sheng (China) | 
| a-cc-hh | Hubei Sheng (China) | 
| a-cc-ho | Henan Sheng (China) | 
| a-cc-hp | Hebei Sheng (China) | 
| a-cc-hu | Hunan Sheng (China) | 
| a-cc-im | Inner Mongolia (China) | 
| a-cc-ka | Gansu Sheng (China) | 
| a-cc-kc | Guangxi Zhuangzu Zizhiqu (China) | 
| a-cc-ki | Jiangxi Sheng (China) | 
| a-cc-kn | Guangdong Sheng (China) | 
| a-cc-kr | Jilin Sheng (China) | 
| a-cc-ku | Jiangsu Sheng (China) | 
| a-cc-kw | Guizhou Sheng (China) | 
| a-cc-lp | Liaoning Sheng (China) | 
| a-cc-mh | Macao (China : Special Administrative Region) | 
| a-cc-nn | Ningxia Huizu Zizhiqu (China) | 
| a-cc-pe | Beijing (China) | 
| a-cc-sh | Shanxi Sheng (China) | 
| a-cc-sm | Shanghai (China) | 
| a-cc-sp | Shandong Sheng (China) | 
| a-cc-ss | Shaanxi Sheng (China) | 
| a-cc-su | Xinjiang Uygur Zizhiqu (China) | 
| a-cc-sz | Sichuan Sheng (China) | 
| a-cc-ti | Tibet (China)  | 
| a-cc-tn | Tianjin (China) | 
| a-cc-ts | Qinghai Sheng (China) | 
| a-cc-yu | Yunnan Sheng (China) | 
| a-ccg | Yangtze River (China) | 
| a-cck | Kunlun Mountains (China and India) | 
| a-ccp | Bo Hai (China) | 
| a-ccs | Xi River (China) | 
| a-ccy | Yellow River (China) | 
| a-ce | Sri Lanka | 
| a-ch | Taiwan | 
| a-cy | Cyprus | 
| a-em | East Timor | 
| -a-hk | Hong Kong | 
| a-ii | India | 
| a-io | Indonesia | 
| a-iq | Iraq | 
| a-ir | Iran | 
| a-is | Israel | 
| a-ja | Japan | 
| a-jo | Jordan | 
| a-kg | Kyrgyzstan | 
| a-kn | Korea (North)  | 
| a-ko | Korea ( South)  | 
| a-kr | Korea | 
| a-ku | Kuwait | 
| a-le | Lebanon | 
| a-ls | Laos | 
| -a-mh | Macao | 
| a-mk | Oman | 
| a-mp | Mongolia | 
| a-my | Malaysia | 
| a-np | Nepal | 
| a-nw | New Guinea | 
| -a-ok | Okinawa | 
| a-ph | Philippines | 
| a-pk | Pakistan | 
| a-pp | Papua New Guinea | 
| -a-pt | Portueges Timor | 
| a-qa | Qatar | 
| a-si | Singapore | 
| -a-sk | Sikkim | 
| a-su | Saudi Arabia | 
| a-sy | Syria | 
| a-ta | Tajikistan | 
| a-th | Thailand | 
| a-tk | Turkmenistan | 
| a-ts | United Arab Emirates | 
| a-tu | Turkey | 
| -a-vn | Viet Nam, North | 
| -a-vs | Viet Nam, South | 
| a-vt | Vietnam | 
| a-ye | Yemen (Republic) | 
| -a-ys | Yemen (People’s Democratic Republic) | 
| aa | Amur River (China and Russia) | 
| ab | Bengal, Bay of | 
| ac | Asia, Central | 
| ae | East Asia | 
| af | Thailand, Gulf of | 
| ag | Mekong River | 
| ah | Himalaya Mountains | 
| ai | Indochina | 
| ak | Caspian Sea | 
| am | Malaya | 
| an | East China Sea | 
| ao | South China Sea | 
| aopf | Paracel Islands | 
| aoxp | Spratly Islands | 
| ap | Persian Gulf | 
| ar | Arabian Peninsula | 
| as | Southeast Asia | 
| at | Tien Shan | 
| au | Arabian Sea | 
| aw | Middle East | 
| awba | West Bank | 
| awgz | Gaza Strip | 
| -awiu | Israel - Syria Demilitarized Zones | 
| -awiw | Israel - Jordan Demilitarized Zones | 
| -awiy | Israel - Saudi Arabia Neutral Zone | 
| ay | Yellow Sea | 
| az | South Asia | 
| b | Commonwealth countries | 
| c | Intercontinental Areas (Western Hemisphere) | 
| cc | Caribbean Area; Caribbean Sea | 
| cl | Latin America | 
| -cm | Middle America | 
| -cr | Circumcaribbean | 
| d | Developing countries | 
| dd | Developed countries | 
| e | Europe | 
| e-aa | Albania | 
| e-an | Andorra | 
| e-au | Austria | 
| e-be | Belgium | 
| e-bn | Bosnia and Hercegovina | 
| e-bu | Bulgaria | 
| e-bw | Belarus | 
| e-ci | Croatia | 
| e-cs | Czechoslovakia | 
| e-dk | Denmark | 
| e-er | Estonia | 
| e-fi | Finland | 
| e-fr | France | 
| e-ge | Germany (East) | 
| e-gi | Gibraltar | 
| e-gr | Greece | 
| e-gw | Germany (West) | 
| e-gx | Germany | 
| e-hu | Hungary | 
| e-ic | Iceland | 
| e-ie | Ireland | 
| e-it | Italy | 
| e-lh | Liechtenstein | 
| e-li | Lithuania | 
| e-lu | Luxembourg | 
| e-mc | Monaco | 
| e-mm | Malta | 
| e-mv | Moldova | 
| e-ne | Netherlands | 
| e-no | Norway | 
| e-pl | Poland | 
| e-po | Portugal | 
| e-rm | Romania | 
| e-ru | Russia (Federation) | 
| e-sm | San Marino | 
| e-sp | Spain | 
| e-sw | Sweden | 
| e-sz | Switzerland | 
| e-uk | Great Britain | 
| e-uk-en | England | 
| e-uk-ni | Northern Ireland | 
| e-uk-st | Scotland | 
| e-uk-ui | Great Britain Miscellaneous Island Dependencies | 
| e-uk-wl | Wales | 
| e-un | Ukraine | 
| e-ur | Russia. Russian Empire. Soviet Union. Former Soviet republics | 
| -e-ur-ai | Armenia (Republic) | 
| -e-ur-aj | Aserbaijan | 
| -e-ur-bw | Belarus | 
| -e-ur-er | Estonia | 
| -e-ur-gs | Georgia (Republic) | 
| -e-ur-kg | Kyrgyzstan | 
| -e-ur-kz | Kazakhstan | 
| -e-ur-li | Lithuania | 
| -e-ur-lv | Latvia | 
| -e-ur-mv | Moldova | 
| -e-ur-ru | Russia Federation | 
| -e-ur-ta | Tajikistan | 
| -e-ur-tk | Turkmenistan | 
| -e-ur-un | Ukraine | 
| -e-ur-uz | Uzbekistan | 
| e-urc | Central Chernozem Region (Russia) | 
| e-ure | Siberia, Eastern (Russia) | 
| e-urf | Russian Far East (Russia) | 
| e-urk | Caucasus | 
| -e-url | Central Region, RSFSR | 
| e-urn | Soviet Union, Northwestern | 
| -e-uro | Soviet Central Asia | 
| e-urp | Volga River (Russia) | 
| e-urr | Caucasus, Northern (Russia) | 
| e-urs | Siberia (Russia) | 
| e-uru | Ural Mountains (Russia) | 
| -e-urv | Volgo-Viatskii Region (Russia) | 
| e-urw | Siberia, Western (Russia) | 
| e-vc | Vatican City | 
| e-xn | Macedonia (Republic) | 
| e-xo | Slovakia | 
| e-xr | Czech Republic | 
| e-xv | Slovenia | 
| e-yu | Serbia and Montenegro; Yugoslavia | 
| ea | Alps | 
| eb | Baltic States | 
| ec | Central Europe | 
| ed | Balkan Peninsula | 
| ее | Europe, Eastern | 
| -ei | Iberian Peninsula | 
| el | Benelux Countries  | 
| en | Europe, Northern | 
| eo | Danube River | 
| ep | Pyrenees | 
| er | Rhine River | 
| es | Europe, Southern | 
| -et | Europe, East Central | 
| ev | Scandinavia | 
| ew | Europe, Western | 
| f | Africa | 
| f-ae | Algeria | 
| f-ao | Angola | 
| f-bd | Burundi | 
| f-bs | Botswana | 
| -f-by | Biafra | 
| f-cd | Chad | 
| f-cf | Congo (Brazzaville) | 
| f-cg | Congo (Democratic Republic) | 
| f-cm | Cameroon | 
| f-cx | Central African Republic | 
| f-dm | Benin | 
| f-ea | Eritrea | 
| f-eg | Equatorial Guinea | 
| f-et | Ethiopia | 
| f-ft | Djibouti | 
| f-gh | Ghana | 
| f-gm | Gambia | 
| f-go | Gabon | 
| f-gv | Guinea | 
| -f-if | Ifni | 
| f-iv | Cote d’Ivoire | 
| f-ke | Kenya | 
| f-lb | Liberia | 
| f-lo | Lesotho | 
| f-ly | Libya | 
| f-mg | Madagascar | 
| f-ml | Mali | 
| f-mr | Morocco | 
| f-mu | Mauritania | 
| f-mw | Malawi | 
| f-mz | Mozambique | 
| f-ng | Niger | 
| f-nr | Nigeria | 
| f-pg | Guinea-Bissau | 
| f-rh | Zimbabwe | 
| f-rw | Rwanda | 
| f-sa | South Africa | 
| f-sf | Sao Tome and Principe | 
| f-sg | Senegal | 
| f-sh | Spanish North Africa | 
| f-sj | Sudan | 
| f-sl | Sierra Leone | 
| f-so | Somalia | 
| f-sq | Swaziland | 
| f-ss | Western Sahara | 
| f-sx | Namibia | 
| f-tg | Togo | 
| f-ti | Tunisia | 
| f-tz | Tanzania | 
| f-ua | Egypt | 
| f-ug | Uganda | 
| f-uv | Burkina Faso | 
| f-za | Zambia | 
| fa | Atlas Mountains | 
| fb | Africa, Sub-Saharan | 
| fc | Africa, Central | 
| fd | Sahara | 
| fe | Africa, Eastern | 
| ff | Africa, North | 
| fg | Congo River | 
| fh | Africa, Northeast | 
| fi | Niger River | 
| fl | Nile River | 
| fn | Sudan (Region) | 
| fq | Africa, French-speaking Equatorial | 
| fr | Great Rift Valley | 
| fs | Africa, Southern | 
| fu | Suez Canal (Egypt) | 
| fv | Volta River (Ghana) | 
| fw | Africa, West | 
| fz | Zambezi River | 
| h | French Community | 
| i | Indian Ocean | 
| i-bi | British Indian Ocean Territory | 
| i-cq | Comoros | 
| i-fs | Terres australes et antarctiques francaises | 
| i-hm | Heard and McDonald Islands | 
| i-mf | Mauritius | 
| i-my | Mayotte | 
| i-re | Reunion | 
| i-se | Seychelles | 
| i-xa | Christmas Island (Indian Ocean) | 
| i-xb | Cocos (Keeling) Islands | 
| i-xc | Maldives | 
| i-xo | Socotra Island | 
| l | Atlantic Ocean | 
| ln | North Atlantic Ocean | 
| lnaz | Azores | 
| lnbm | Bermuda Islands | 
| lnca | Canary Islands | 
| lncv | Cape Verde | 
| lnfa | Faroe Islands | 
| lnjn | Jan Mayen Island | 
| lnma | Madeira Islands | 
| lnsb | Svalbard (Norway) | 
| ls | South Atlantic Ocean | 
| lsai | Ascension Island (Atlantic Ocean) | 
| lsbv | Bouvet Island | 
| lsfk | Falkland Islands | 
| lstd | Tristan da Cunha | 
| lsxj | Saint Helena | 
| lsxs | South Georgia and the South Sandwich Islands | 
| m | Intercontinental areas (Eastern Hemisphere) | 
| ma | Arab countries | 
| mb | Black Sea | 
| me | Eurasia | 
| mm | Mediterranean Region; Mediterranean Sea | 
| mr | Red Sea | 
| n | North America | 
| n-cn | Canada | 
| n-cn-ab | Alberta | 
| n-cn-bc | British Columbia | 
| n-cn-mb | Manitoba | 
| n-cn-nf | Newfoundland and Labrador | 
| n-cn-nk | New Brunswick | 
| n-cn-ns | Nova Scotia | 
| n-cn-nt | Northwest Territories | 
| n-cn-nu | Nunavut | 
| n-cn-on | Ontario | 
| n-cn-pi | Prince Edward Island | 
| n-cn-qu | Quebec (Province) | 
| n-cn-sn | Saskatchewan | 
| n-cn-yk | Yukon Territory | 
| n-cnh | Hudson Bay | 
| n-cnm | Maritime Provinces | 
| n-cnp | Prairie Provinces | 
| n-gl | Greenland | 
| n-mx | Mexico | 
| n-us | United States | 
| n-us-ak | Alaska | 
| n-us-al | Alabama | 
| n-us-ar | Arkansas | 
| n-us-az | Arizona | 
| n-us-ca | California | 
| n-us-со | Colorado | 
| n-us-ct | Connecticut | 
| n-us-dc | Washington (D.C.) | 
| n-us-de | Delaware | 
| n-us-fl | Florida | 
| n-us-ga | Georgia | 
| n-us-hi | Hawaii | 
| n-us-ia | Iowa | 
| n-us-id | Idaho | 
| n-us-il | Illinois | 
| n-us-in | Indiana | 
| n-us-ks | Kansas | 
| n-us-ky | Kentucky | 
| n-us-la | Louisiana | 
| n-us-ma | Massachusetts | 
| n-us-md | Maryland | 
| n-us-me | Maine | 
| n-us-mi | Michigan | 
| n-us-mn | Minnesota | 
| n-us-mo | Missouri | 
| n-us-ms | Mississippi | 
| n-us-mt | Montana | 
| n-us-nb | Nebraska | 
| n-us-nc | North Carolina | 
| n-us-nd | North Dakota | 
| n-us-nh | New Hampshire | 
| n-us-nj | New Jersey | 
| n-us-nm | New Mexico | 
| n-us-nv | Nevada | 
| n-us-ny | New York | 
| n-us-oh | Ohio | 
| n-us-ok | Oklahoma | 
| n-us-or | Oregon | 
| n-us-pa | Pennsylvania | 
| n-us-ri | Rhode Island | 
| n-us-sc | South Carolina | 
| n-us-sd | South Dakota | 
| n-us-tn | Tennessee | 
| n-us-tx | Texas | 
| n-us-ut | Utah | 
| n-us-va | Virginia | 
| n-us-vt | Vermont | 
| n-us-wa | Washington (State) | 
| n-us-wi | Wisconsin | 
| n-us-wv | West Virginia | 
| n-us-wy | Wyoming | 
| n-usa | Appalachian Mountains | 
| n-usc | Middle West | 
| n-use | Northeastern States | 
| n-usl | Middle Atlantic States | 
| n-usm | Mississippi River | 
| n-usn | New England | 
| n-uso | Ohio River | 
| n-usp | West (U.S.) | 
| n-usr | East (U.S.) | 
| n-uss | Missouri River | 
| n-ust | Southwest, New | 
| n-usu | Southern States | 
| -n-usw | Northwest (U.S.) | 
| n-xl | Saint Pierre and Miquelon | 
| nc | Central America | 
| ncbh | Belize | 
| nccr | Costa Rica | 
| nccz | Canal Zon | 
| nces | El Salvador | 
| ncgt | Guatemala | 
| ncho | Honduras | 
| ncnq | Nicaragua | 
| ncpn | Panama | 
| nl | Great Lakes (North America); Lake States | 
| nm | Mexico, Gulf of | 
| np | Great Plains | 
| nr | Rocky Mountains | 
| nw | West Indies | 
| nwaq | Antigua and Barbuda | 
| nwaw | Aruba | 
| nwbb | Barbados | 
| -nwbc | Barbuda | 
| nwbf | Bahamas | 
| nwbn | Bonaire (Netherlands Antilles) | 
| nwcj | Cayman Islands | 
| nwco | Curacao (Netherlands Antilles) | 
| nwcu | Cuba | 
| nwdq | Dominica | 
| nwdr | Dominican Republic | 
| nweu | Sint Eustatius (Netherlands Antilles) | 
| -nwga | Great Antilles | 
| nwgd | Grenada | 
| nwgp | Guadeloupe | 
| -nwgs | Grenadines | 
| nwhi | Hispaniola | 
| nwht | Haiti | 
| nwjm | Jamaica | 
| nwla | Antilles, Lesser | 
| nwli | Leeward Islands (West Indies) | 
| nwmj | Montserrat | 
| nwmq | Martinique | 
| nwna | Netherlands Antilles | 
| nwpr | Puerto Rico | 
| -nwsb | Saint-Barthelemy | 
| nwsd | Saba (Netherlands Antilles) | 
| nwst | Saint Martin (West Indies) | 
| nwsv | Swan Islands (Honduras) | 
| nwtc | Turks and Caicos Islands | 
| nwtr | Trinidad and Tobago | 
| nwuc | United States Miscellaneous Carribean Islands | 
| nwvb | British Virgin Islands | 
| nwvi | Virgin Islands of the United States | 
| -nwvr | Virgin Islands | 
| nwwi | Windward Islands (West Indies) | 
| nwxa | Anguilla | 
| nwxi | Saint Kitts and Nevis | 
| nwxk | Saint Lucia | 
| nwxm | Saint Vincent and the Grenadines | 
| p | Pacific Ocean | 
| pn | North Pacific Ocean | 
| po | Oceania | 
| poas | American Samoa | 
| pobp | Solomon Islands | 
| poci | Caroline Islands | 
| -pocp | Canton and Enderbury Islands | 
| pocw | Cook Islands | 
| poea | Easter Island | 
| pofj | Fiji | 
| pofp | French Polynesia | 
| pogg | Galapagos Islands | 
| -pogn | Gilbert and Ellice Islands | 
| pogu | Guam | 
| poji | Johnston Island | 
| pokb | Kiribati | 
| poki | Kermadec Islands | 
| poln | Line Islands | 
| pome | Melanesia | 
| pomi | Micronesia (Federated States) | 
| ponl | New Caledonia | 
| ponn | Vanuatu | 
| ponu | Nauru | 
| popc | Pitcairn Island | 
| popl | Palau | 
| pops | Polynesia | 
| -pory | Ryukyu Islands, Southern | 
| -posc | Santa Cruz Islands | 
| posh | Samoan Islands | 
| -posn | Solomon Islands | 
| potl | Tokelau | 
| poto | Tonga | 
| pott | Micronesia | 
| potv | Tuvalu | 
| poup | United States Miscellaneous Pacific Islands | 
| powf | Wallis and Futuna Islands | 
| powk | Wake Island | 
| pows | Samoa | 
| poxd | Mariana Islands | 
| poxe | Marshall Islands | 
| poxf | Midway Islands | 
| poxh | Niue | 
| ps | South Pacific Ocean | 
| q | Cold regions | 
| r | Arctic OceanArctic regions | 
| s | South America | 
| s-ag | Argentina | 
| s-bl | Brazil | 
| s-bo | Bolivia | 
| s-ck | Colombia | 
| s-cl | Chile | 
| s-ec | Ecuador | 
| s-fg | French Guiana | 
| s-gy | Guyana | 
| s-pe | Peru | 
| s-py | Paraguay | 
| s-sr | Suriname | 
| s-uy | Uruguay | 
| s-ve | Venezuela | 
| sa | Amazon River | 
| sn | Andes | 
| sp | Rio de la Plata (Argentina and Uruguay) | 
| t | Antarctic OceanAntarctica | 
| -t-ay | Antarctica | 
| u | Australasia | 
| u-ac | Ashmore and Cartier Islands | 
| u-at | Australia | 
| u-at-ac | Australian Capital Territory | 
| u-atc | Central Australia | 
| u-ate | Eastern Australia | 
| u-atn | Northern Australia | 
| u-at-ne | New South Wales | 
| u-at-no | Northern Territory | 
| u-at-qn | Queensland | 
| u-at-sa | South Australia | 
| u-at-tm | Tasmania | 
| u-at-vi | Victoria | 
| u-at-we | Western Australia | 
| u-cs | Coral Sea Islands | 
| u-nz | New Zealand | 
| -v | Communist countries | 
| w | Tropics | 
| x | Earth | 
| xa | Eastern Hemisphere | 
| xb | Northern Hemisphere | 
| xc | Southern Hemisphere | 
| xd | Western Hemisphere | 
| zd | Deep space | 
| zju | Jupiter | 
| zma | Mars | 
| zme | Mercury | 
| zmo | Moon | 
| zne | Neptune | 
| zo | Outer space | 
| zpl | Pluto | 
| zs | Solar system | 
| zsa | Saturn | 
| zsu | Sun | 
| zur | Uranus | 
| zve | Venus |