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| Afghanistan | ASIA | AFG | 3 – Thoroughfare | 3 – Thoroughfare |
| Albania | EE | ALB | 3 – Thoroughfare | 3 – Thoroughfare |
| Algeria | MEA | DZA | 3 – Thoroughfare | 3 – Thoroughfare |
| American Samoa | NA | ASM | 2 – Locality | 2 – Locality |
| Andorra | WE | AND | 4 – Premise | 4 – Premise |
| Angola | MEA | AGO | 3 – Thoroughfare | 3 – Thoroughfare |
| Anguilla | CAC | AIA | 2 – Locality | 2 – Locality |
| Antarctica | APA | ATA | 2 – Locality | 2 – Locality |
| Antigua Barbuda | CAC | ATG | 2 – Locality | 2 – Locality |
| Argentina | SA | ARG | 4 – Premise | 4 – Premise |
| Armenia | EE | ARM | 3 – Thoroughfare | 3 – Thoroughfare |
| Aruba | CAC | ABW | 3 – Thoroughfare | 3 – Thoroughfare |
| Australia | APA | AUS | 4 – Premise | 4 – Premise |
| Austria | WE | AUT | 5 – Delivery Point | 4 – Premise |
| Azerbaijan | EE | AZE | 3 – Thoroughfare | 3 – Thoroughfare |
| Bahamas | CAC | BHS | 4 – Premise | 4 – Premise |
| Bahrain | MEA | BHR | 4 – Premise | 4 – Premise |
| Bangladesh | ASIA | BGD | 3 – Thoroughfare | 3 – Thoroughfare |
| Barbados | CAC | BRB | 3 – Thoroughfare | 3 – Thoroughfare |
| Belarus | EE | BLR | 4 – Premise | 4 – Premise |
| Belgium | WE | BEL | 5 – Delivery Point | 4 – Premise |
| Belize | CAC | BLZ | 2 – Locality | 2 – Locality |
| Benin | MEA | BEN | 3 – Thoroughfare | 3 – Thoroughfare |
| Bermuda | CAC | BMU | 4 – Premise | 4 – Premise |
| Bhutan | ASIA | BTN | 2 – Locality | 2 – Locality |
| Bolivia | SA | BOL | 3 – Thoroughfare | 3 – Thoroughfare |
| Bosnia Herzegovina | EE | BIH | 4 – Premise | 4 – Premise |
| Botswana | MEA | BWA | 4 – Premise | 4 – Premise |
| Brazil | SA | BRA | 4 – Premise | 4 – Premise |
| British Indian Ocean Territory | ASIA | IOT | 2 – Locality | 2 – Locality |
| British Virgin Islands | CAC | VGB | 2 – Locality | 2 – Locality |
| Brunei Darussalam | ASIA | BRN | 4 – Premise | 4 – Premise |
| Bulgaria | EE | BGR | 4 – Premise | 4 – Premise |
| Burkina Faso | MEA | BFA | 3 – Thoroughfare | 3 – Thoroughfare |
| Burundi | MEA | BDI | 3 – Thoroughfare | 3 – Thoroughfare |
| Cambodia | ASIA | KHM | 3 – Thoroughfare | 3 – Thoroughfare |
| Cameroon | MEA | CMR | 3 – Thoroughfare | 3 – Thoroughfare |
| Canada | NA | CAN | 5 – Delivery Point | 4 – Premise |
| Cape Verde Islands | CAC | CPV | 2 – Locality | 2 – Locality |
| Cayman Islands | CAC | CYM | 4 – Premise | 4 – Premise |
| Central African Republic | MEA | CAF | 3 – Thoroughfare | 3 – Thoroughfare |
| Chad | MEA | TCD | 3 – Thoroughfare | 3 – Thoroughfare |
| Chile | SA | CHL | 4 – Premise | 4 – Premise |
| China | ASIA | CHN | 3 – Thoroughfare | 2 – Locality |
| Christmas Island | APA | CXR | 2 – Locality | 2 – Locality |
| Cocos (Keeling) Islands | APA | CCK | 2 – Locality | 2 – Locality |
| Colombia | SA | COL | 4 – Premise | 4 – Premise |
| Comoros | MEA | COM | 2 – Locality | 2 – Locality |
| Congo | MEA | COG | 3 – Thoroughfare | 3 – Thoroughfare |
| Congo, the Democratic Republic of the | MEA | COD | 3 – Thoroughfare | 3 – Thoroughfare |
| Cook Islands | APA | COK | 2 – Locality | 2 – Locality |
| Costa Rica | CAC | CRI | 4 – Premise | 4 – Premise |
| Croatia | EE | HRV | 4 – Premise | 4 – Premise |
| Cuba | CAC | CUB | 2 – Locality | 2 – Locality |
| Cyprus | WE | CYP | 4 – Premise | 4 – Premise |
| Czech Republic | EE | CZE | 4 – Premise | 4 – Premise |
| Denmark | WE | DNK | 4 – Premise | 4 – Premise |
| Djibouti | MEA | DJI | 2 – Locality | 2 – Locality |
| Dominica | CAC | DMA | 2 – Locality | 2 – Locality |
| Dominican Republic | CAC | DOM | 3 – Thoroughfare | 3 – Thoroughfare |
| Ecuador | SA | ECU | 4 – Premise | 4 – Premise |
| Egypt | MEA | EGY | 4 – Premise | 4 – Premise |
| El Salvador | CAC | SLV | 3 – Thoroughfare | 3 – Thoroughfare |
| Equatorial Guinea | MEA | GNQ | 3 – Thoroughfare | 3 – Thoroughfare |
| Eritrea | MEA | ERI | 3 – Thoroughfare | 3 – Thoroughfare |
| Estonia | EE | EST | 4 – Premise | 4 – Premise |
| Ethiopia | MEA | ETH | 3 – Thoroughfare | 3 – Thoroughfare |
| Faeroe Islands | WE | FRO | 2 – Locality | 2 – Locality |
| Falkland Islands | SA | FLK | 2 – Locality | 2 – Locality |
| Fiji | APA | FJI | 2 – Locality | 2 – Locality |
| Finland | WE | FIN | 5 – Delivery Point | 4 – Premise |
| France | WE | FRA | 5 – Delivery Point | 4 – Premise |
| French Guiana | SA | GUF | 4 – Premise | 4 – Premise |
| French Polynesia | APA | PYF | 2 – Locality | 2 – Locality |
| French Southern Territories | APA | ATF | 2 – Locality | 2 – Locality |
| Gabon | MEA | GAB | 3 – Thoroughfare | 3 – Thoroughfare |
| Gambia, The | MEA | GMB | 3 – Thoroughfare | 3 – Thoroughfare |
| Georgia | EE | GEO | 3 – Thoroughfare | 3 – Thoroughfare |
| Germany | WE | DEU | 5 – Delivery Point | 4 – Premise |
| Ghana | MEA | GHA | 3 – Thoroughfare | 3 – Thoroughfare |
| Gibraltar | WE | GIB | 4 – Premise | 4 – Premise |
| Greece | WE | GRC | 4 – Premise | 4 – Premise |
| Greenland | WE | GRL | 2 – Locality | 2 – Locality |
| Grenada | CAC | GRD | 2 – Locality | 2 – Locality |
| Guadeloupe | CAC | GLP | 4 – Premise | 4 – Premise |
| Guam | NA | GUM | 2 – Locality | 2 – Locality |
| Guatemala | CAC | GTM | 3 – Thoroughfare | 3 – Thoroughfare |
| Guernsey | WE | GGY | 2 – Locality | 2 – Locality |
| Guinea | MEA | GIN | 3 – Thoroughfare | 3 – Thoroughfare |
| Guinea-Bissau | MEA | GNB | 3 – Thoroughfare | 3 – Thoroughfare |
| Guyana | SA | GUY | 2 – Locality | 2 – Locality |
| Haiti | CAC | HTI | 3 – Thoroughfare | 3 – Thoroughfare |
| Holy See | WE | VAT | 3 – Thoroughfare | 3 – Thoroughfare |
| Honduras | CAC | HND | 3 – Thoroughfare | 3 – Thoroughfare |
| Hong Kong | ASIA | HKG | 4 – Premise | 4 – Premise |
| Hungary | EE | HUN | 4 – Premise | 4 – Premise |
| Iceland | WE | ISL | 4 – Premise | 4 – Premise |
| India | ASIA | IND | 3 – Thoroughfare | 3 – Thoroughfare |
| Indonesia | ASIA | IDN | 4 – Premise | 4 – Premise |
| Iran | MEA | IRN | 3 – Thoroughfare | 3 – Thoroughfare |
| Iraq | MEA | IRQ | 3 – Thoroughfare | 3 – Thoroughfare |
| Ireland | WE | IRL | 4 – Premise | 4 – Premise |
| Isle of Man | WE | IMN | 4 – Premise | 4 – Premise |
| Israel | MEA | ISR | 4 – Premise | 4 – Premise |
| Italy | WE | ITA | 4 – Premise | 4 – Premise |
| Ivory Coast | MEA | CIV | 3 – Thoroughfare | 3 – Thoroughfare |
| Jamaica | CAC | JAM | 3 – Thoroughfare | 3 – Thoroughfare |
| Japan | ASIA | JPN | 3 – Thoroughfare | 3 – Thoroughfare |
| Jersey | WE | JEY | 2 – Locality | 2 – Locality |
| Jordan | MEA | JOR | 4 – Premise | 4 – Premise |
| Kazakhstan | EE | KAZ | 4 – Premise | 4 – Premise |
| Kenya | MEA | KEN | 3 – Thoroughfare | 3 – Thoroughfare |
| Kiribati | APA | KIR | 2 – Locality | 2 – Locality |
| Korea, Republic of | ASIA | KOR | 4 – Premise | 4 – Premise |
| Kuwait | MEA | KWT | 4 – Premise | 4 – Premise |
| Kyrgyzstan | EE | KGZ | 3 – Thoroughfare | 3 – Thoroughfare |
| Laos | ASIA | LAO | 3 – Thoroughfare | 3 – Thoroughfare |
| Latvia | EE | LVA | 4 – Premise | 4 – Premise |
| Lebanon | MEA | LBN | 4 – Premise | 4 – Premise |
| Lesotho | MEA | LSO | 4 – Premise | 4 – Premise |
| Liberia | MEA | LBR | 2 – Locality | 2 – Locality |
| Libya | MEA | LBY | 2 – Locality | 2 – Locality |
| Liechtenstein | WE | LIE | 4 – Premise | 4 – Premise |
| Lithuania | EE | LTU | 4 – Premise | 4 – Premise |
| Luxembourg | WE | LUX | 4 – Premise | 4 – Premise |
| Macao | ASIA | MAC | 4 – Premise | 4 – Premise |
| Macedonia | EE | MKD | 4 – Premise | 4 – Premise |
| Madagascar | MEA | MDG | 3 – Thoroughfare | 3 – Thoroughfare |
| Malawi | MEA | MWI | 3 – Thoroughfare | 3 – Thoroughfare |
| Malaysia | ASIA | MYS | 4 – Premise | 4 – Premise |
| Maldives | MEA | MDV | 3 – Thoroughfare | 3 – Thoroughfare |
| Mali | MEA | MLI | 3 – Thoroughfare | 3 – Thoroughfare |
| Malta | WE | MLT | 3 – Thoroughfare | 3 – Thoroughfare |
| Marshall Islands | NA | MHL | 2 – Locality | 2 – Locality |
| Martinique | CAC | MTQ | 4 – Premise | 4 – Premise |
| Mauritania | MEA | MRT | 3 – Thoroughfare | 3 – Thoroughfare |
| Mauritius | MEA | MUS | 2 – Locality | 2 – Locality |
| Mayotte | MEA | MYT | 2 – Locality | 2 – Locality |
| Mexico | NA | MEX | 4 – Premise | 4 – Premise |
| Micronesia | NA | FSM | 2 – Locality | 2 – Locality |
| Moldova | EE | MDA | 3 – Thoroughfare | 3 – Thoroughfare |
| Monaco | WE | MCO | 4 – Premise | 4 – Premise |
| Mongolia | ASIA | MNG | 3 – Thoroughfare | 3 – Thoroughfare |
| Montenegro | EE | MNE | 4 – Premise | 4 – Premise |
| Montserrat | CAC | MSR | 2 – Locality | 2 – Locality |
| Morocco | MEA | MAR | 4 – Premise | 4 – Premise |
| Mozambique | MEA | MOZ | 4 – Premise | 4 – Premise |
| Myanmar | ASIA | MMR | 3 – Thoroughfare | 3 – Thoroughfare |
| Namibia | MEA | NAM | 4 – Premise | 4 – Premise |
| Nauru | ASIA | NRU | 2 – Locality | 2 – Locality |
| Nepal | ASIA | NPL | 3 – Thoroughfare | 3 – Thoroughfare |
| Netherlands Antilles | CAC | ANT | 2 – Locality | 2 – Locality |
| Netherlands, The | WE | NLD | 5 – Delivery Point | 4 – Premise |
| New Caledonia | APA | NCL | 2 – Locality | 2 – Locality |
| New Zealand | APA | NZL | 5 – Delivery Point | 4 – Premise |
| Nicaragua | CAC | NIC | 2 – Locality | 2 – Locality |
| Niger | MEA | NER | 3 – Thoroughfare | 3 – Thoroughfare |
| Nigeria | MEA | NGA | 4 – Premise | 4 – Premise |
| Niue | APA | NIU | 2 – Locality | 2 – Locality |
| Norfolk Island | APA | NFK | 2 – Locality | 2 – Locality |
| North Korea | ASIA | PRK | 3 – Thoroughfare | 3 – Thoroughfare |
| Northern Mariana Islands | NA | MNP | 2 – Locality | 2 – Locality |
| Norway | WE | NOR | 4 – Premise | 4 – Premise |
| Oman | MEA | OMN | 4 – Premise | 4 – Premise |
| Pakistan | ASIA | PAK | 3 – Thoroughfare | 3 – Thoroughfare |
| Palau | NA | PLW | 2 – Locality | 2 – Locality |
| Palestinian Territory | MEA | PSE | 2 – Locality | 2 – Locality |
| Panama | CAC | PAN | 4 – Premise | 4 – Premise |
| Papua New Guinea | APA | PNG | 2 – Locality | 2 – Locality |
| Paraguay | SA | PRY | 4 – Premise | 4 – Premise |
| Peru | SA | PER | 4 – Premise | 4 – Premise |
| Philippines | ASIA | PHL | 4 – Premise | 4 – Premise |
| Pitcairn Island | APA | PCN | 2 – Locality | 2 – Locality |
| Poland | EE | POL | 4 – Premise | 4 – Premise |
| Portugal | WE | PRT | 4 – Premise | 4 – Premise |
| Puerto Rico | NA | PRI | 4 – Premise | 4 – Premise |
| Qatar | MEA | QAT | 4 – Premise | 4 – Premise |
| Réunion | MEA | REU | 4 – Premise | 4 – Premise |
| Romania | EE | ROU | 4 – Premise | 4 – Premise |
| Russia | EE | RUS | 4 – Premise | 4 – Premise |
| Rwanda | MEA | RWA | 3 – Thoroughfare | 3 – Thoroughfare |
| Saint Barthélemy | CAC | BLM | 4 – Premise | 4 – Premise |
| Saint Helena | APA | SHN | 2 – Locality | 2 – Locality |
| Saint Kitts and Nevis | CAC | KNA | 2 – Locality | 2 – Locality |
| Saint Lucia | CAC | LCA | 2 – Locality | 2 – Locality |
| Saint Martin | CAC | MAF | 2 – Locality | 2 – Locality |
| Saint Pierre & Miquelon | NA | SPM | 2 – Locality | 2 – Locality |
| Saint Vincent & the Grenadines | CAC | VCT | 2 – Locality | 2 – Locality |
| Samoa | APA | WSM | 2 – Locality | 2 – Locality |
| San Marino | WE | SMR | 4 – Premise | 4 – Premise |
| Sao Tome & Principe | MEA | STP | 2 – Locality | 2 – Locality |
| Saudi Arabia | MEA | SAU | 4 – Premise | 4 – Premise |
| Senegal | MEA | SEN | 3 – Thoroughfare | 3 – Thoroughfare |
| Serbia | EE | SRB | 4 – Premise | 4 – Premise |
| Seychelles | MEA | SYC | 2 – Locality | 2 – Locality |
| Sierra Leone | MEA | SLE | 3 – Thoroughfare | 3 – Thoroughfare |
| Singapore | ASIA | SGP | 5 – Delivery Point | 4 – Premise |
| Slovakia | EE | SVK | 4 – Premise | 4 – Premise |
| Slovenia | EE | SVN | 4 – Premise | 4 – Premise |
| Solomon Islands | APA | SLB | 2 – Locality | 2 – Locality |
| Somalia | MEA | SOM | 3 – Thoroughfare | 3 – Thoroughfare |
| South Africa | MEA | ZAF | 4 – Premise | 4 – Premise |
| South Georgia and the South Sandwich Islands | SA | SGS | 2 – Locality | 2 – Locality |
| Spain | WE | ESP | 4 – Premise | 4 – Premise |
| Sri Lanka | ASIA | LKA | 3 – Thoroughfare | 3 – Thoroughfare |
| Sudan | MEA | SDN | 3 – Thoroughfare | 3 – Thoroughfare |
| Suriname | SA | SUR | 2 – Locality | 2 – Locality |
| Svalbard and Jan Mayen Islands | WE | SJM | 2 – Locality | 2 – Locality |
| Swaziland | MEA | SWZ | 4 – Premise | 4 – Premise |
| Sweden | WE | SWE | 5 – Delivery Point | 4 – Premise |
| Switzerland | WE | CHE | 4 – Premise | 4 – Premise |
| Syria | MEA | SYR | 3 – Thoroughfare | 3 – Thoroughfare |
| Taiwan | ASIA | TWN | 2 – Locality | 2 – Locality |
| Tajikistan | EE | TJK | 2 – Locality | 2 – Locality |
| Tanzania | MEA | TZA | 3 – Thoroughfare | 3 – Thoroughfare |
| Thailand | ASIA | THA | 4 – Premise | 4 – Premise |
| Timor-Leste (formerly East Timor) | ASIA | TLS | 2 – Locality | 2 – Locality |
| Togo | MEA | TGO | 3 – Thoroughfare | 3 – Thoroughfare |
| Tokelau | APA | TKL | 2 – Locality | 2 – Locality |
| Tonga | APA | TON | 2 – Locality | 2 – Locality |
| Trinidad & Tobago | CAC | TTO | 3 – Thoroughfare | 3 – Thoroughfare |
| Tunisia | MEA | TUN | 3 – Thoroughfare | 3 – Thoroughfare |
| Turkey | EE | TUR | 4 – Premise | 4 – Premise |
| Turkmenistan | EE | TKM | 2 – Locality | 2 – Locality |
| Turks and Caicos Islands | CAC | TCA | 2 – Locality | 2 – Locality |
| Tuvalu | APA | TUV | 2 – Locality | 2 – Locality |
| Uganda | MEA | UGA | 3 – Thoroughfare | 3 – Thoroughfare |
| Ukraine | EE | UKR | 4 – Premise | 4 – Premise |
| United Arab Emirates | MEA | ARE | 4 – Premise | 4 – Premise |
| United Kingdom | WE | GBR | 5 – Delivery Point | 4 – Premise |
| United States Minor Outlying Islands | NA | UMI | 2 – Locality | 2 – Locality |
| United States of America | NA | USA | 5 – Delivery Point | 4 – Premise |
| United States Virgin Islands | NA | VIR | 4 – Premise | 4 – Premise |
| Uruguay | SA | URY | 4 – Premise | 4 – Premise |
| Uzbekistan | EE | UZB | 3 – Thoroughfare | 3 – Thoroughfare |
| Vanuatu | APA | VUT | 2 – Locality | 2 – Locality |
| Venezuela | SA | VEN | 3 – Thoroughfare | 3 – Thoroughfare |
| Vietnam | ASIA | VNM | 3 – Thoroughfare | 3 – Thoroughfare |
| Wallis & Futuna Islands | APA | WLF | 2 – Locality | 2 – Locality |
| Western Sahara | MEA | ESH | 2 – Locality | 2 – Locality |
| Yemen | MEA | YEM | 2 – Locality | 2 – Locality |
| Zambia | MEA | ZMB | 3 – Thoroughfare | 3 – Thoroughfare |
| Zimbabwe | MEA | ZWE | 3 – Thoroughfare | 3 – Thoroughfare |