# SubdivisionCode - `v::subdivisionCode(string $countryCode)` Validates subdivision country codes according to [ISO 3166-2][]. The `$countryCode` must be a country in [ISO 3166-1 alpha-2][] format. ```php v::subdivisionCode('BR')->validate('SP'); //true v::subdivisionCode('US')->validate('CA'); //true ``` This rule is case sensitive. ## Available country codes - `AD`: Andorra - `AE`: United Arab Emirates - `AF`: Afghanistan - `AG`: Antigua and Barbuda - `AI`: Anguilla - `AL`: Albania - `AM`: Armenia - `AN`: AN.html - `AO`: Angola - `AQ`: Antarctica - `AR`: Argentina - `AS`: American Samoa - `AT`: Austria - `AU`: Australia - `AW`: Aruba - `AX`: Åland - `AZ`: Azerbaijan - `BA`: Bosnia and Herzegovina - `BB`: Barbados - `BD`: Bangladesh - `BE`: Belgium - `BF`: Burkina Faso - `BG`: Bulgaria - `BH`: Bahrain - `BI`: Burundi - `BJ`: Benin - `BL`: Saint Barthélemy - `BM`: Bermuda - `BN`: Brunei - `BO`: Bolivia - `BQ`: Bonaire - `BR`: Brazil - `BS`: Bahamas - `BT`: Bhutan - `BV`: Bouvet Island - `BW`: Botswana - `BY`: Belarus - `BZ`: Belize - `CA`: Canada - `CC`: Cocos [Keeling] Islands - `CD`: Democratic Republic of the Congo - `CF`: Central African Republic - `CG`: Republic of the Congo - `CH`: Switzerland - `CI`: Ivory Coast - `CK`: Cook Islands - `CL`: Chile - `CM`: Cameroon - `CN`: China - `CO`: Colombia - `CR`: Costa Rica - `CS`: CS.html - `CU`: Cuba - `CV`: Cape Verde - `CW`: Curacao - `CX`: Christmas Island - `CY`: Cyprus - `CZ`: Czech Republic - `DE`: Germany - `DJ`: Djibouti - `DK`: Denmark - `DM`: Dominica - `DO`: Dominican Republic - `DZ`: Algeria - `EC`: Ecuador - `EE`: Estonia - `EG`: Egypt - `EH`: Western Sahara - `ER`: Eritrea - `ES`: Spain - `ET`: Ethiopia - `FI`: Finland - `FJ`: Fiji - `FK`: Falkland Islands - `FM`: Micronesia - `FO`: Faroe Islands - `FR`: France - `GA`: Gabon - `GB`: United Kingdom - `GD`: Grenada - `GE`: Georgia - `GF`: French Guiana - `GG`: Guernsey - `GH`: Ghana - `GI`: Gibraltar - `GL`: Greenland - `GM`: Gambia - `GN`: Guinea - `GP`: Guadeloupe - `GQ`: Equatorial Guinea - `GR`: Greece - `GS`: South Georgia and the South Sandwich Islands - `GT`: Guatemala - `GU`: Guam - `GW`: Guinea-Bissau - `GY`: Guyana - `HK`: Hong Kong - `HM`: Heard Island and McDonald Islands - `HN`: Honduras - `HR`: Croatia - `HT`: Haiti - `HU`: Hungary - `ID`: Indonesia - `IE`: Ireland - `IL`: Israel - `IM`: Isle of Man - `IN`: India - `IO`: British Indian Ocean Territory - `IQ`: Iraq - `IR`: Iran - `IS`: Iceland - `IT`: Italy - `JE`: Jersey - `JM`: Jamaica - `JO`: Jordan - `JP`: Japan - `KE`: Kenya - `KG`: Kyrgyzstan - `KH`: Cambodia - `KI`: Kiribati - `KM`: Comoros - `KN`: Saint Kitts and Nevis - `KP`: North Korea - `KR`: South Korea - `KW`: Kuwait - `KY`: Cayman Islands - `KZ`: Kazakhstan - `LA`: Laos - `LB`: Lebanon - `LC`: Saint Lucia - `LI`: Liechtenstein - `LK`: Sri Lanka - `LR`: Liberia - `LS`: Lesotho - `LT`: Lithuania - `LU`: Luxembourg - `LV`: Latvia - `LY`: Libya - `MA`: Morocco - `MC`: Monaco - `MD`: Moldova - `ME`: Montenegro - `MF`: Saint Martin - `MG`: Madagascar - `MH`: Marshall Islands - `MK`: Macedonia - `ML`: Mali - `MM`: Myanmar [Burma] - `MN`: Mongolia - `MO`: Macao - `MP`: Northern Mariana Islands - `MQ`: Martinique - `MR`: Mauritania - `MS`: Montserrat - `MT`: Malta - `MU`: Mauritius - `MV`: Maldives - `MW`: Malawi - `MX`: Mexico - `MY`: Malaysia - `MZ`: Mozambique - `NA`: Namibia - `NC`: New Caledonia - `NE`: Niger - `NF`: Norfolk Island - `NG`: Nigeria - `NI`: Nicaragua - `NL`: Netherlands - `NO`: Norway - `NP`: Nepal - `NR`: Nauru - `NU`: Niue - `NZ`: New Zealand - `OM`: Oman - `PA`: Panama - `PE`: Peru - `PF`: French Polynesia - `PG`: Papua New Guinea - `PH`: Philippines - `PK`: Pakistan - `PL`: Poland - `PM`: Saint Pierre and Miquelon - `PN`: Pitcairn Islands - `PR`: Puerto Rico - `PS`: Palestine - `PT`: Portugal - `PW`: Palau - `PY`: Paraguay - `QA`: Qatar - `RE`: Réunion - `RO`: Romania - `RS`: Serbia - `RU`: Russia - `RW`: Rwanda - `SA`: Saudi Arabia - `SB`: Solomon Islands - `SC`: Seychelles - `SD`: Sudan - `SE`: Sweden - `SG`: Singapore - `SH`: Saint Helena - `SI`: Slovenia - `SJ`: Svalbard and Jan Mayen - `SK`: Slovakia - `SL`: Sierra Leone - `SM`: San Marino - `SN`: Senegal - `SO`: Somalia - `SR`: Suriname - `SS`: South Sudan - `ST`: São Tomé and Príncipe - `SV`: El Salvador - `SX`: Sint Maarten - `SY`: Syria - `SZ`: Swaziland - `TC`: Turks and Caicos Islands - `TD`: Chad - `TF`: French Southern Territories - `TG`: Togo - `TH`: Thailand - `TJ`: Tajikistan - `TK`: Tokelau - `TL`: East Timor - `TM`: Turkmenistan - `TN`: Tunisia - `TO`: Tonga - `TR`: Turkey - `TT`: Trinidad and Tobago - `TV`: Tuvalu - `TW`: Taiwan - `TZ`: Tanzania - `UA`: Ukraine - `UG`: Uganda - `UM`: U.S. Minor Outlying Islands - `US`: United States - `UY`: Uruguay - `UZ`: Uzbekistan - `VA`: Vatican City - `VC`: Saint Vincent and the Grenadines - `VE`: Venezuela - `VG`: British Virgin Islands - `VI`: U.S. Virgin Islands - `VN`: Vietnam - `VU`: Vanuatu - `WF`: Wallis and Futuna - `WS`: Samoa - `XK`: Kosovo - `YE`: Yemen - `YT`: Mayotte - `ZA`: South Africa - `ZM`: Zambia - `ZW`: Zimbabwe All data was extrated from [GeoNames][] which is licensed under a [Creative Commons Attribution 3.0 License][]. *** See also: * [CountryCode](CountryCode.md) * [Tld](Tld.md) [Creative Commons Attribution 3.0 License]: http://creativecommons.org/licenses/by/3.0 "Creative Commons Attribution 3.0 License" [GeoNames]: http://www.geonames.org "GetNames" [ISO 3166-1 alpha-2]: http://en.wikipedia.org/wiki/ISO_3166-1_alpha-2 "ISO 3166-1 alpha-2" [ISO 3166-2]: http://en.wikipedia.org/wiki/ISO_3166-2 "ISO 3166-2"