I converted the List of Countries to a lua dictionary, so this can be used in the future. I also added some functions to get country names and codes easily.
The Source Code
local countries = {}
local countriesList = {
["AF"] = { name = "Afghanistan", alpha3 = "AFG", numeric = 4 },
["AL"] = { name = "Albania", alpha3 = "ALB", numeric = 8 },
["DZ"] = { name = "Algeria", alpha3 = "DZA", numeric = 12 },
["AS"] = { name = "American Samoa", alpha3 = "ASM", numeric = 16 },
["AD"] = { name = "Andorra", alpha3 = "AND", numeric = 20 },
["AO"] = { name = "Angola", alpha3 = "AGO", numeric = 24 },
["AI"] = { name = "Anguilla", alpha3 = "AIA", numeric = 660 },
["AQ"] = { name = "Antarctica", alpha3 = "ATA", numeric = 10 },
["AG"] = { name = "Antigua and Barbuda", alpha3 = "ATG", numeric = 28 },
["AR"] = { name = "Argentina", alpha3 = "ARG", numeric = 32 },
["AM"] = { name = "Armenia", alpha3 = "ARM", numeric = 51 },
["AW"] = { name = "Aruba", alpha3 = "ABW", numeric = 533 },
["AU"] = { name = "Australia", alpha3 = "AUS", numeric = 36 },
["AT"] = { name = "Austria", alpha3 = "AUT", numeric = 40 },
["AZ"] = { name = "Azerbaijan", alpha3 = "AZE", numeric = 31 },
["BS"] = { name = "Bahamas (the)", alpha3 = "BHS", numeric = 44 },
["BH"] = { name = "Bahrain", alpha3 = "BHR", numeric = 48 },
["BD"] = { name = "Bangladesh", alpha3 = "BGD", numeric = 50 },
["BB"] = { name = "Barbados", alpha3 = "BRB", numeric = 52 },
["BY"] = { name = "Belarus", alpha3 = "BLR", numeric = 112 },
["BE"] = { name = "Belgium", alpha3 = "BEL", numeric = 56 },
["BZ"] = { name = "Belize", alpha3 = "BLZ", numeric = 84 },
["BJ"] = { name = "Benin", alpha3 = "BEN", numeric = 204 },
["BM"] = { name = "Bermuda", alpha3 = "BMU", numeric = 60 },
["BT"] = { name = "Bhutan", alpha3 = "BTN", numeric = 64 },
["BO"] = { name = "Bolivia (Plurinational State of)", alpha3 = "BOL", numeric = 68 },
["BQ"] = { name = "Bonaire, Sint Eustatius and Saba", alpha3 = "BES", numeric = 535 },
["BA"] = { name = "Bosnia and Herzegovina", alpha3 = "BIH", numeric = 70 },
["BW"] = { name = "Botswana", alpha3 = "BWA", numeric = 72 },
["BV"] = { name = "Bouvet Island", alpha3 = "BVT", numeric = 74 },
["BR"] = { name = "Brazil", alpha3 = "BRA", numeric = 76 },
["IO"] = { name = "British Indian Ocean Territory (the)", alpha3 = "IOT", numeric = 86 },
["BN"] = { name = "Brunei Darussalam", alpha3 = "BRN", numeric = 96 },
["BG"] = { name = "Bulgaria", alpha3 = "BGR", numeric = 100 },
["BF"] = { name = "Burkina Faso", alpha3 = "BFA", numeric = 854 },
["BI"] = { name = "Burundi", alpha3 = "BDI", numeric = 108 },
["CV"] = { name = "Cabo Verde", alpha3 = "CPV", numeric = 132 },
["KH"] = { name = "Cambodia", alpha3 = "KHM", numeric = 116 },
["CM"] = { name = "Cameroon", alpha3 = "CMR", numeric = 120 },
["CA"] = { name = "Canada", alpha3 = "CAN", numeric = 124 },
["KY"] = { name = "Cayman Islands (the)", alpha3 = "CYM", numeric = 136 },
["CF"] = { name = "Central African Republic (the)", alpha3 = "CAF", numeric = 140 },
["TD"] = { name = "Chad", alpha3 = "TCD", numeric = 148 },
["CL"] = { name = "Chile", alpha3 = "CHL", numeric = 152 },
["CN"] = { name = "China", alpha3 = "CHN", numeric = 156 },
["CX"] = { name = "Christmas Island", alpha3 = "CXR", numeric = 162 },
["CC"] = { name = "Cocos (Keeling) Islands (the)", alpha3 = "CCK", numeric = 166 },
["CO"] = { name = "Colombia", alpha3 = "COL", numeric = 170 },
["KM"] = { name = "Comoros (the)", alpha3 = "COM", numeric = 174 },
["CD"] = { name = "Congo (the Democratic Republic of the)", alpha3 = "COD", numeric = 180 },
["CG"] = { name = "Congo (the)", alpha3 = "COG", numeric = 178 },
["CK"] = { name = "Cook Islands (the)", alpha3 = "COK", numeric = 184 },
["CR"] = { name = "Costa Rica", alpha3 = "CRI", numeric = 188 },
["HR"] = { name = "Croatia", alpha3 = "HRV", numeric = 191 },
["CU"] = { name = "Cuba", alpha3 = "CUB", numeric = 192 },
["CW"] = { name = "Curaçao", alpha3 = "CUW", numeric = 531 },
["CY"] = { name = "Cyprus", alpha3 = "CYP", numeric = 196 },
["CZ"] = { name = "Czechia", alpha3 = "CZE", numeric = 203 },
["CI"] = { name = "Côte d'Ivoire", alpha3 = "CIV", numeric = 384 },
["DK"] = { name = "Denmark", alpha3 = "DNK", numeric = 208 },
["DJ"] = { name = "Djibouti", alpha3 = "DJI", numeric = 262 },
["DM"] = { name = "Dominica", alpha3 = "DMA", numeric = 212 },
["DO"] = { name = "Dominican Republic (the)", alpha3 = "DOM", numeric = 214 },
["EC"] = { name = "Ecuador", alpha3 = "ECU", numeric = 218 },
["EG"] = { name = "Egypt", alpha3 = "EGY", numeric = 818 },
["SV"] = { name = "El Salvador", alpha3 = "SLV", numeric = 222 },
["GQ"] = { name = "Equatorial Guinea", alpha3 = "GNQ", numeric = 226 },
["ER"] = { name = "Eritrea", alpha3 = "ERI", numeric = 232 },
["EE"] = { name = "Estonia", alpha3 = "EST", numeric = 233 },
["SZ"] = { name = "Eswatini", alpha3 = "SWZ", numeric = 748 },
["ET"] = { name = "Ethiopia", alpha3 = "ETH", numeric = 231 },
["FK"] = { name = "Falkland Islands (the) [Malvinas]", alpha3 = "FLK", numeric = 238 },
["FO"] = { name = "Faroe Islands (the)", alpha3 = "FRO", numeric = 234 },
["FJ"] = { name = "Fiji", alpha3 = "FJI", numeric = 242 },
["FI"] = { name = "Finland", alpha3 = "FIN", numeric = 246 },
["FR"] = { name = "France", alpha3 = "FRA", numeric = 250 },
["GF"] = { name = "French Guiana", alpha3 = "GUF", numeric = 254 },
["PF"] = { name = "French Polynesia", alpha3 = "PYF", numeric = 258 },
["TF"] = { name = "French Southern Territories (the)", alpha3 = "ATF", numeric = 260 },
["GA"] = { name = "Gabon", alpha3 = "GAB", numeric = 266 },
["GM"] = { name = "Gambia (the)", alpha3 = "GMB", numeric = 270 },
["GE"] = { name = "Georgia", alpha3 = "GEO", numeric = 268 },
["DE"] = { name = "Germany", alpha3 = "DEU", numeric = 276 },
["GH"] = { name = "Ghana", alpha3 = "GHA", numeric = 288 },
["GI"] = { name = "Gibraltar", alpha3 = "GIB", numeric = 292 },
["GR"] = { name = "Greece", alpha3 = "GRC", numeric = 300 },
["GL"] = { name = "Greenland", alpha3 = "GRL", numeric = 304 },
["GD"] = { name = "Grenada", alpha3 = "GRD", numeric = 308 },
["GP"] = { name = "Guadeloupe", alpha3 = "GLP", numeric = 312 },
["GU"] = { name = "Guam", alpha3 = "GUM", numeric = 316 },
["GT"] = { name = "Guatemala", alpha3 = "GTM", numeric = 320 },
["GG"] = { name = "Guernsey", alpha3 = "GGY", numeric = 831 },
["GN"] = { name = "Guinea", alpha3 = "GIN", numeric = 324 },
["GW"] = { name = "Guinea-Bissau", alpha3 = "GNB", numeric = 624 },
["GY"] = { name = "Guyana", alpha3 = "GUY", numeric = 328 },
["HT"] = { name = "Haiti", alpha3 = "HTI", numeric = 332 },
["HM"] = { name = "Heard Island and McDonald Islands", alpha3 = "HMD", numeric = 334 },
["VA"] = { name = "Holy See (the)", alpha3 = "VAT", numeric = 336 },
["HN"] = { name = "Honduras", alpha3 = "HND", numeric = 340 },
["HK"] = { name = "Hong Kong", alpha3 = "HKG", numeric = 344 },
["HU"] = { name = "Hungary", alpha3 = "HUN", numeric = 348 },
["IS"] = { name = "Iceland", alpha3 = "ISL", numeric = 352 },
["IN"] = { name = "India", alpha3 = "IND", numeric = 356 },
["ID"] = { name = "Indonesia", alpha3 = "IDN", numeric = 360 },
["IR"] = { name = "Iran (Islamic Republic of)", alpha3 = "IRN", numeric = 364 },
["IQ"] = { name = "Iraq", alpha3 = "IRQ", numeric = 368 },
["IE"] = { name = "Ireland", alpha3 = "IRL", numeric = 372 },
["IM"] = { name = "Isle of Man", alpha3 = "IMN", numeric = 833 },
["IL"] = { name = "Israel", alpha3 = "ISR", numeric = 376 },
["IT"] = { name = "Italy", alpha3 = "ITA", numeric = 380 },
["JM"] = { name = "Jamaica", alpha3 = "JAM", numeric = 388 },
["JE"] = { name = "Jersey", alpha3 = "JEY", numeric = 832 },
["JO"] = { name = "Jordan", alpha3 = "JOR", numeric = 400 },
["KZ"] = { name = "Kazakhstan", alpha3 = "KAZ", numeric = 398 },
["KE"] = { name = "Kenya", alpha3 = "KEN", numeric = 404 },
["KI"] = { name = "Kiribati", alpha3 = "KIR", numeric = 296 },
["KP"] = { name = "Korea (the Democratic People's Republic of)", alpha3 = "PRK", numeric = 408 },
["KR"] = { name = "Korea (the Republic of)", alpha3 = "KOR", numeric = 410 },
["KW"] = { name = "Kuwait", alpha3 = "KWT", numeric = 414 },
["KG"] = { name = "Kyrgyzstan", alpha3 = "KGZ", numeric = 417 },
["LA"] = { name = "Lao People's Democratic Republic (the)", alpha3 = "LAO", numeric = 418 },
["LV"] = { name = "Latvia", alpha3 = "LVA", numeric = 428 },
["LB"] = { name = "Lebanon", alpha3 = "LBN", numeric = 422 },
["LS"] = { name = "Lesotho", alpha3 = "LSO", numeric = 426 },
["LR"] = { name = "Liberia", alpha3 = "LBR", numeric = 430 },
["LY"] = { name = "Libya", alpha3 = "LBY", numeric = 434 },
["LI"] = { name = "Liechtenstein", alpha3 = "LIE", numeric = 438 },
["LT"] = { name = "Lithuania", alpha3 = "LTU", numeric = 440 },
["LU"] = { name = "Luxembourg", alpha3 = "LUX", numeric = 442 },
["MO"] = { name = "Macao", alpha3 = "MAC", numeric = 446 },
["MG"] = { name = "Madagascar", alpha3 = "MDG", numeric = 450 },
["MW"] = { name = "Malawi", alpha3 = "MWI", numeric = 454 },
["MY"] = { name = "Malaysia", alpha3 = "MYS", numeric = 458 },
["MV"] = { name = "Maldives", alpha3 = "MDV", numeric = 462 },
["ML"] = { name = "Mali", alpha3 = "MLI", numeric = 466 },
["MT"] = { name = "Malta", alpha3 = "MLT", numeric = 470 },
["MH"] = { name = "Marshall Islands (the)", alpha3 = "MHL", numeric = 584 },
["MQ"] = { name = "Martinique", alpha3 = "MTQ", numeric = 474 },
["MR"] = { name = "Mauritania", alpha3 = "MRT", numeric = 478 },
["MU"] = { name = "Mauritius", alpha3 = "MUS", numeric = 480 },
["YT"] = { name = "Mayotte", alpha3 = "MYT", numeric = 175 },
["MX"] = { name = "Mexico", alpha3 = "MEX", numeric = 484 },
["FM"] = { name = "Micronesia (Federated States of)", alpha3 = "FSM", numeric = 583 },
["MD"] = { name = "Moldova (the Republic of)", alpha3 = "MDA", numeric = 498 },
["MC"] = { name = "Monaco", alpha3 = "MCO", numeric = 492 },
["MN"] = { name = "Mongolia", alpha3 = "MNG", numeric = 496 },
["ME"] = { name = "Montenegro", alpha3 = "MNE", numeric = 499 },
["MS"] = { name = "Montserrat", alpha3 = "MSR", numeric = 500 },
["MA"] = { name = "Morocco", alpha3 = "MAR", numeric = 504 },
["MZ"] = { name = "Mozambique", alpha3 = "MOZ", numeric = 508 },
["MM"] = { name = "Myanmar", alpha3 = "MMR", numeric = 104 },
["NA"] = { name = "Namibia", alpha3 = "NAM", numeric = 516 },
["NR"] = { name = "Nauru", alpha3 = "NRU", numeric = 520 },
["NP"] = { name = "Nepal", alpha3 = "NPL", numeric = 524 },
["NL"] = { name = "Netherlands (the)", alpha3 = "NLD", numeric = 528 },
["NC"] = { name = "New Caledonia", alpha3 = "NCL", numeric = 540 },
["NZ"] = { name = "New Zealand", alpha3 = "NZL", numeric = 554 },
["NI"] = { name = "Nicaragua", alpha3 = "NIC", numeric = 558 },
["NE"] = { name = "Roblox doesn't allow me to write this countries name here", alpha3 = "NER", numeric = 562 },
["NG"] = { name = "Roblox doesn't allow me to write this countries name here ", alpha3 = "NGA", numeric = 566 },
["NU"] = { name = "Niue", alpha3 = "NIU", numeric = 570 },
["NF"] = { name = "Norfolk Island", alpha3 = "NFK", numeric = 574 },
["MP"] = { name = "Northern Mariana Islands (the)", alpha3 = "MNP", numeric = 580 },
["NO"] = { name = "Norway", alpha3 = "NOR", numeric = 578 },
["OM"] = { name = "Oman", alpha3 = "OMN", numeric = 512 },
["PK"] = { name = "Pakistan", alpha3 = "PAK", numeric = 586 },
["PW"] = { name = "Palau", alpha3 = "PLW", numeric = 585 },
["PS"] = { name = "Palestine, State of", alpha3 = "PSE", numeric = 275 },
["PA"] = { name = "Panama", alpha3 = "PAN", numeric = 591 },
["PG"] = { name = "Papua New Guinea", alpha3 = "PNG", numeric = 598 },
["PY"] = { name = "Paraguay", alpha3 = "PRY", numeric = 600 },
["PE"] = { name = "Peru", alpha3 = "PER", numeric = 604 },
["PH"] = { name = "Philippines (the)", alpha3 = "PHL", numeric = 608 },
["PN"] = { name = "Pitcairn", alpha3 = "PCN", numeric = 612 },
["PL"] = { name = "Poland", alpha3 = "POL", numeric = 616 },
["PT"] = { name = "Portugal", alpha3 = "PRT", numeric = 620 },
["PR"] = { name = "Puerto Rico", alpha3 = "PRI", numeric = 630 },
["QA"] = { name = "Qatar", alpha3 = "QAT", numeric = 634 },
["MK"] = { name = "Republic of North Macedonia", alpha3 = "MKD", numeric = 807 },
["RO"] = { name = "Romania", alpha3 = "ROU", numeric = 642 },
["RU"] = { name = "Russian Federation (the)", alpha3 = "RUS", numeric = 643 },
["RW"] = { name = "Rwanda", alpha3 = "RWA", numeric = 646 },
["RE"] = { name = "Réunion", alpha3 = "REU", numeric = 638 },
["BL"] = { name = "Saint Barthélemy", alpha3 = "BLM", numeric = 652 },
["SH"] = { name = "Saint Helena, Ascension and Tristan da Cunha", alpha3 = "SHN", numeric = 654 },
["KN"] = { name = "Saint Kitts and Nevis", alpha3 = "KNA", numeric = 659 },
["LC"] = { name = "Saint Lucia", alpha3 = "LCA", numeric = 662 },
["MF"] = { name = "Saint Martin (French part)", alpha3 = "MAF", numeric = 663 },
["PM"] = { name = "Saint Pierre and Miquelon", alpha3 = "SPM", numeric = 666 },
["VC"] = { name = "Saint Vincent and the Grenadines", alpha3 = "VCT", numeric = 670 },
["WS"] = { name = "Samoa", alpha3 = "WSM", numeric = 882 },
["SM"] = { name = "San Marino", alpha3 = "SMR", numeric = 674 },
["ST"] = { name = "Sao Tome and Principe", alpha3 = "STP", numeric = 678 },
["SA"] = { name = "Saudi Arabia", alpha3 = "SAU", numeric = 682 },
["SN"] = { name = "Senegal", alpha3 = "SEN", numeric = 686 },
["RS"] = { name = "Serbia", alpha3 = "SRB", numeric = 688 },
["SC"] = { name = "Seychelles", alpha3 = "SYC", numeric = 690 },
["SL"] = { name = "Sierra Leone", alpha3 = "SLE", numeric = 694 },
["SG"] = { name = "Singapore", alpha3 = "SGP", numeric = 702 },
["SX"] = { name = "Sint Maarten (Dutch part)", alpha3 = "SXM", numeric = 534 },
["SK"] = { name = "Slovakia", alpha3 = "SVK", numeric = 703 },
["SI"] = { name = "Slovenia", alpha3 = "SVN", numeric = 705 },
["SB"] = { name = "Solomon Islands", alpha3 = "SLB", numeric = 090 },
["SO"] = { name = "Somalia", alpha3 = "SOM", numeric = 706 },
["ZA"] = { name = "South Africa", alpha3 = "ZAF", numeric = 710 },
["GS"] = { name = "South Georgia and the South Sandwich Islands", alpha3 = "SGS", numeric = 239 },
["SS"] = { name = "South Sudan", alpha3 = "SSD", numeric = 728 },
["ES"] = { name = "Spain", alpha3 = "ESP", numeric = 724 },
["LK"] = { name = "Sri Lanka", alpha3 = "LKA", numeric = 144 },
["SD"] = { name = "Sudan (the)", alpha3 = "SDN", numeric = 729 },
["SR"] = { name = "Suriname", alpha3 = "SUR", numeric = 740 },
["SJ"] = { name = "Svalbard and Jan Mayen", alpha3 = "SJM", numeric = 744 },
["SE"] = { name = "Sweden", alpha3 = "SWE", numeric = 752 },
["CH"] = { name = "Switzerland", alpha3 = "CHE", numeric = 756 },
["SY"] = { name = "Syrian Arab Republic", alpha3 = "SYR", numeric = 760 },
["TW"] = { name = "Taiwan (Province of China)", alpha3 = "TWN", numeric = 158 },
["TJ"] = { name = "Tajikistan", alpha3 = "TJK", numeric = 762 },
["TZ"] = { name = "Tanzania, United Republic of", alpha3 = "TZA", numeric = 834 },
["TH"] = { name = "Thailand", alpha3 = "THA", numeric = 764 },
["TL"] = { name = "Timor-Leste", alpha3 = "TLS", numeric = 626 },
["TG"] = { name = "Togo", alpha3 = "TGO", numeric = 768 },
["TK"] = { name = "Tokelau", alpha3 = "TKL", numeric = 772 },
["TO"] = { name = "Tonga", alpha3 = "TON", numeric = 776 },
["TT"] = { name = "Trinidad and Tobago", alpha3 = "TTO", numeric = 780 },
["TN"] = { name = "Tunisia", alpha3 = "TUN", numeric = 788 },
["TR"] = { name = "Turkey", alpha3 = "TUR", numeric = 792 },
["TM"] = { name = "Turkmenistan", alpha3 = "TKM", numeric = 795 },
["TC"] = { name = "Turks and Caicos Islands (the)", alpha3 = "TCA", numeric = 796 },
["TV"] = { name = "Tuvalu", alpha3 = "TUV", numeric = 798 },
["UG"] = { name = "Uganda", alpha3 = "UGA", numeric = 800 },
["UA"] = { name = "Ukraine", alpha3 = "UKR", numeric = 804 },
["AE"] = { name = "United Arab Emirates (the)", alpha3 = "ARE", numeric = 784 },
["GB"] = { name = "United Kingdom of Great Britain and Northern Ireland (the)", alpha3 = "GBR", numeric = 826 },
["UM"] = { name = "United States Minor Outlying Islands (the)", alpha3 = "UMI", numeric = 581 },
["US"] = { name = "United States of America (the)", alpha3 = "USA", numeric = 840 },
["UY"] = { name = "Uruguay", alpha3 = "URY", numeric = 858 },
["UZ"] = { name = "Uzbekistan", alpha3 = "UZB", numeric = 860 },
["VU"] = { name = "Vanuatu", alpha3 = "VUT", numeric = 548 },
["VE"] = { name = "Venezuela (Bolivarian Republic of)", alpha3 = "VEN", numeric = 862 },
["VN"] = { name = "Viet Nam", alpha3 = "VNM", numeric = 704 },
["VG"] = { name = "Virgin Islands (British)", alpha3 = "VGB", numeric = 092 },
["VI"] = { name = "Virgin Islands (U.S.)", alpha3 = "VIR", numeric = 850 },
["WF"] = { name = "Wallis and Futuna", alpha3 = "WLF", numeric = 876 },
["EH"] = { name = "Western Sahara", alpha3 = "ESH", numeric = 732 },
["YE"] = { name = "Yemen", alpha3 = "YEM", numeric = 887 },
["ZM"] = { name = "Zambia", alpha3 = "ZMB", numeric = 894 },
["ZW"] = { name = "Zimbabwe", alpha3 = "ZWE", numeric = 716 },
["AX"] = { name = "Åland Islands", alpha3 = "ALA", numeric = 248 },
}
countries.getCountryName = function(code)
if tonumber(code) then
for alpha2, country in pairs(countriesList) do
if country.numeric == tonumber(code) then
return country.name
end
end
elseif #code == 2 then
local country = countriesList[code]
if country then
return country.name
else
return "Country not found"
end
elseif #code == 3 then
for alpha2, country in pairs(countriesList) do
if country.alpha3 == code then
return country.name
end
end
end
return "Country not found"
end
countries.getCountryCode = function(name, codeType)
codeType = codeType or "A2" -- A2 by default
local countryData = nil
local a2Name = nil
--[[
Available Code Types:
A2 : Alpha2 Code
A3 : Alpha3 Code
NUM : Numeric Value
Default: A2
--]]
for code, country in pairs(countriesList) do
if country.name == name or code == name or country.alpha3 == name then
countryData = country
a2Name = code
end
end
if not countryData then
return "Country not found"
end
if codeType == "A2" then
return a2Name
elseif codeType == "A3" then
return countryData.alpha3
elseif codeType == "NUM" then
return countryData.numeric
end
end
return countries
Example Use of The Module:
local theModule = require(15195750169)
print(theModule.getCountryCode("USA", "A2")) -- US
print(theModule.getCountryName(840)) -- United States of America (the)
Also if you are going to use the source code directly, i removed the countries names that have the [NE] and [NG] alpha 2 codes, you can change them manually. Roblox doesn’t allow me to type their names here for some reason 
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