TrueCommerce Nexternal recognizes states and provinces for the United States, Canada, US Armed Forces, and US Protectorates in accordance with United States Postal Service standards. For each state or province, there is a country that must be used in conjunction in any address.
| State/Province | Code | Country | Code |
| Alabama | AL | United States | US |
| Alaska | AK | United States | US |
| Alberta | AB | Canada | CA |
| American Samoa | AS | American Samoa | AS |
| Arizona | AZ | United States | US |
| Arkansas | AR | United States | US |
| Armed Forces Americas | AA | United States | US |
| Armed Forces Europe/Middle East/Canada | AE | United States | US |
| Armed Forces Pacific | AP | United States | US |
| British Columbia | BC | Canada | CA |
| California | CA | United States | US |
| Colorado | CO | United States | US |
| Connecticut | CT | United States | US |
| Delaware | DE | United States | US |
| District of Columbia | DC | United States | US |
| Florida | FL | United States | US |
| Georgia | GA | United States | US |
| Guam | GU | Guam | GU |
| Hawaii | HI | United States | US |
| Idaho | ID | United States | US |
| Illinois | IL | United States | US |
| Indiana | IN | United States | US |
| Iowa | IA | United States | US |
| Kansas | KS | United States | US |
| Kentucky | KY | United States | US |
| Louisiana | LA | United States | US |
| Maine | ME | United States | US |
| Manitoba | MB | Canada | CA |
| Marshall Islands | MH | Marshall Islands | MH |
| Maryland | MD | United States | US |
| Massachusetts | MA | United States | US |
| Michigan | MI | United States | US |
| Micronesia, Federated States of | FM | Micronesia, Federated States of | FM |
| Minnesota | MN | United States | US |
| Mississippi | MS | United States | US |
| Missouri | MO | United States | US |
| Montana | MT | United States | US |
| Nebraska | NE | United States | US |
| Nevada | NV | United States | US |
| New Brunswick | NB | Canada | CA |
| New Hampshire | NH | United States | US |
| New Jersey | NJ | United States | US |
| New Mexico | NM | United States | US |
| New York | NY | United States | US |
| Newfoundland and Labrador | NL | Canada | CA |
| North Carolina | NC | United States | US |
| North Dakota | ND | United States | US |
| Northern Mariana Islands | MP | Northern Mariana Islands | MP |
| Northwest Territories | NT | Canada | CA |
| Nova Scotia | NS | Canada | CA |
| Nunavut | NU | Canada | CA |
| Ohio | OH | United States | US |
| Oklahoma | OK | United States | US |
| Ontario | ON | Canada | CA |
| Oregon | OR | United States | US |
| Palau | PW | Palau | PW |
| Pennsylvania | PA | United States | US |
| Prince Edward Island | PE | Canada | CA |
| Puerto Rico | PR | Puerto Rico | PR |
| Quebec | QC | Canada | CA |
| Rhode Island | RI | United States | US |
| Saskatchewan | SK | Canada | CA |
| South Carolina | SC | United States | US |
| South Dakota | SD | United States | US |
| Tennessee | TN | United States | US |
| Texas | TX | United States | US |
| Utah | UT | United States | US |
| Vermont | VT | United States | US |
| Virgin Islands, U.S. | VI | Virgin Islands, U.S. | VI |
| Virginia | VA | United States | US |
| Washington | WA | United States | US |
| West Virginia | WV | United States | US |
| Wisconsin | WI | United States | US |
| Wyoming | WY | United States | US |
| Yukon | YT | Canada | CA |
TrueCommerce Nexternal recognizes countries and their codes in accordance with the ISO 3166-1 standard as defined at http://www.iso.org/iso/country_codes/iso_3166_code_lists/country_names_and_code_elements.htm. There is the possibility of one notable exception: United Kingdom (GB) is removed and replaced with England (EN), Scotland (SF), Wales (WL), and Northern Ireland (NB) if the UK Country option (Settings/Site Options in the Order Management System) is set to Multiple. For countries for which one or more states or provinces are defined (above), an appropriate state or province must be used in conjunction in any address.
| Country | Code |
| Afghanistan | AF |
| Aland Islands | AX |
| Albania | AL |
| Algeria | DZ |
| American Samoa | AS |
| Andorra | AD |
| Angola | AO |
| Anguilla | AI |
| Antarctica | AQ |
| Antigua and Barbuda | AG |
| Argentina | AR |
| Armenia | AM |
| Aruba | AW |
| Australia | AU |
| Austria | AT |
| Azerbaijan | AZ |
| Bahamas | BS |
| Bahrain | BH |
| Bangladesh | BD |
| Barbados | BB |
| Belarus | BY |
| Belgium | BE |
| Belize | BZ |
| Benin | BJ |
| Bermuda | BM |
| Bhutan | BT |
| Bolivia | BO |
| Bonaire, Sint Eustatius and Saba | BQ |
| Bosnia and Herzegovina | BA |
| Botswana | BW |
| Bouvet Island | BV |
| Brazil | BR |
| British Indian Ocean Territory | IO |
| Brunei Darussalam | BN |
| Bulgaria | BG |
| Burkina Faso | BF |
| Burundi | BI |
| Cambodia | KH |
| Cameroon | CM |
| Canada | CA |
| Cape Verde | CV |
| Cayman Islands | KY |
| Central African Republic | CF |
| Chad | TD |
| Chile | CL |
| China | CN |
| Christmas Island | CX |
| Cocos (Keeling) Islands | CC |
| Colombia | CO |
| Comoros | KM |
| Congo | CG |
| Congo, The Democratic Republic of the | CD |
| Cook Islands | CK |
| Costa Rica | CR |
| Cote D'Ivoire | CI |
| Croatia | HR |
| Cuba | CU |
| Curacao | CW |
| Cyprus | CY |
| Czechia | CZ |
| Denmark | DK |
| Djibouti | DJ |
| Dominica | DM |
| Dominican Republic | DO |
| Ecuador | EC |
| Egypt | EG |
| El Salvador | SV |
| England2 | EN |
| Equatorial Guinea | GQ |
| Eritrea | ER |
| Estonia | EE |
| Eswatini | SZ |
| Ethiopia | ET |
| Falkland Islands (Malvinas) | FK |
| Faroe Islands | FO |
| Fiji | FJ |
| Finland | FI |
| France | FR |
| French Guiana | GF |
| French Polynesia | PF |
| French Southern Territories | TF |
| Gabon | GA |
| Gambia | GM |
| Georgia | GE |
| Germany | DE |
| Ghana | GH |
| Gibraltar | GI |
| Greece | GR |
| Greenland | GL |
| Grenada | GD |
| Guadeloupe | GP |
| Guam | GU |
| Guatemala | GT |
| Guernsey | GG |
| Guinea | GN |
| Guinea-Bissau | GW |
| Guyana | GY |
| Haiti | HT |
| Heard Island and McDonald Islands | HM |
| Holy See | VA |
| Honduras | HN |
| Hong Kong | HK |
| Hungary | HU |
| Iceland | IS |
| India | IN |
| Indonesia | ID |
| Iran | IR |
| Iraq | IQ |
| Ireland | IE |
| Isle of Man | IM |
| Israel | IL |
| Italy | IT |
| Jamaica | JM |
| Japan | JP |
| Jersey | JE |
| Jordan | JO |
| Kazakhstan | KZ |
| Kenya | KE |
| Kiribati | KI |
| Korea, Democratic People's Republic of | KP |
| Korea, Republic of | KR |
| Kuwait | KW |
| Kyrgyzstan | KG |
| Lao People's Democratic Republic | LA |
| Latvia | LV |
| Lebanon | LB |
| Lesotho | LS |
| Liberia | LR |
| Libya | LY |
| Liechtenstein | LI |
| Lithuania | LT |
| Luxembourg | LU |
| Macao | MO |
| Macedonia | MK |
| Madagascar | MG |
| Malawi | MW |
| Malaysia | MY |
| Maldives | MV |
| Mali | ML |
| Malta | MT |
| Marshall Islands | MH |
| Martinique | MQ |
| Mauritania | MR |
| Mauritius | MU |
| Mayotte | YT |
| Mexico | MX |
| Micronesia | FM |
| Moldova | MD |
| Monaco | MC |
| Mongolia | MN |
| Montenegro | ME |
| Montserrat | MS |
| Morocco | MA |
| Mozambique | MZ |
| Myanmar | MM |
| Namibia | NA |
| Nauru | NR |
| Nepal | NP |
| Netherlands | NL |
| New Caledonia | NC |
| New Zealand | NZ |
| Nicaragua | NI |
| Niger | NE |
| Nigeria | NG |
| Niue | NU |
| Norfolk Island | NF |
| Northern Ireland2 | NB |
| Northern Mariana Islands | MP |
| Norway | NO |
| Oman | OM |
| Pakistan | PK |
| Palau | PW |
| Palestine, State of | PS |
| Panama | PA |
| Papua New Guinea | PG |
| Paraguay | PY |
| Peru | PE |
| Philippines | PH |
| Pitcairn | PN |
| Poland | PL |
| Portugal | PT |
| Puerto Rico | PR |
| Qatar | QA |
| Reunion | RE |
| Romania | RO |
| Russian Federation | RU |
| Rwanda | RW |
| Saint Barthelemy | BL |
| Saint Helena, Ascension and Tristan da Cunha | SH |
| Saint Kitts and Nevis | KN |
| Saint Lucia | LC |
| Saint Martin | MF |
| Saint Pierre and Miquelon | PM |
| Saint Vincent and the Grenadines | VC |
| Samoa | WS |
| San Marino | SM |
| Sao Tome and Principe | ST |
| Saudi Arabia | SA |
| Scotland2 | SF |
| Senegal | SN |
| Serbia | CS |
| Seychelles | SC |
| Sierra Leone | SL |
| Singapore | SG |
| Sint Maarten | SX |
| Slovakia | SK |
| Slovenia | SI |
| Solomon Islands | SB |
| Somalia | SO |
| South Africa | ZA |
| South Georgia and the South Sandwich Islands | GS |
| South Sudan | SS |
| Spain | ES |
| Sri Lanka | LK |
| Sudan | SD |
| Suriname | SR |
| Svalbard and Jan Mayen | SJ |
| Sweden | SE |
| Switzerland | CH |
| Syrian Arab Republic | SY |
| Taiwan | TW |
| Tajikistan | TJ |
| Tanzania, United Republic of | TZ |
| Thailand | TH |
| Timor-Leste | TL |
| Togo | TG |
| Tokelau | TK |
| Tonga | TO |
| Trinidad and Tobago | TT |
| Tunisia | TN |
| Turkey | TR |
| Turkmenistan | TM |
| Turks and Caicos Islands | TC |
| Tuvalu | TV |
| Uganda | UG |
| Ukraine | UA |
| United Arab Emirates | AE |
| United Kingdom1 | GB |
| United States | US |
| United States Minor Outlying Islands | UM |
| Uruguay | UY |
| Uzbekistan | UZ |
| Vanuatu | VU |
| Venezuela | VE |
| Viet Nam | VN |
| Virgin Islands, British | VG |
| Virgin Islands, U.S. | VI |
| Wales2 | WL |
| Wallis and Futuna | WF |
| Western Sahara | EH |
| Yemen | YE |
| Zambia | ZM |
| Zimbabwe | ZW |