List of currency codes and countries that use them, from ISO 4217 http://en.wikipedia.org/wiki/ISO_4217

currencies.json

{
	"AED": ["United Arab Emirates"],
	"AFN": ["Afghanistan"],
	"ALL": ["Albania"],
	"AMD": ["Armenia"],
	"ANG": ["Curaçao", "Sint Maarten"],
	"AOA": ["Angola"],
	"ARS": ["Argentina"],
	"AUD": ["Australia", "Australian Antarctic Territory", "Christmas Island", "Cocos Islands", "Heard and McDonald Islands", "Kiribati", "Nauru", "Norfolk Island", "Tuvalu"],
	"AWG": ["Aruba"],
	"AZN": ["Azerbaijan"],
	"BAM": ["Bosnia and Herzegovina"],
	"BBD": ["Barbados"],
	"BDT": ["Bangladesh"],
	"BGN": ["Bulgaria"],
	"BHD": ["Bahrain"],
	"BIF": ["Burundi"],
	"BMD": ["Bermuda"],
	"BND": ["Brunei", "Singapore"],
	"BOB": ["Bolivia"],
	"BOV": ["Bolivia"],
	"BRL": ["Brazil"],
	"BSD": ["Bahamas"],
	"BTN": ["Bhutan"],
	"BWP": ["Botswana"],
	"BYR": ["Belarus"],
	"BZD": ["Belize"],
	"CAD": ["Canada"],
	"CDF": ["Democratic Republic of Congo"],
	"CHE": ["Switzerland"],
	"CHF": ["Switzerland", "Liechtenstein"],
	"CHW": ["Switzerland"],
	"CLF": ["Chile"],
	"CLP": ["Chile"],
	"CNY": ["China"],
	"COP": ["Colombia"],
	"COU": ["Colombia"],
	"CRC": ["Costa Rica"],
	"CUC": ["Cuba"],
	"CUP": ["Cuba"],
	"CVE": ["Cape Verde"],
	"CZK": ["Czech Republic"],
	"DJF": ["Djibouti"],
	"DKK": ["Denmark", "Faroe Islands", "Greenland"],
	"DOP": ["Dominican Republic"],
	"DZD": ["Algeria"],
	"EGP": ["Egypt"],
	"ERN": ["Eritrea"],
	"ETB": ["Ethiopia"],
	"EUR": ["Andorra", "Austria", "Belgium", "Cyprus", "Estonia", "Finland", "France", "Germany", "Greece", "Ireland", "Italy", "Kosovo", "Luxembourg", "Malta", "Monaco", "Montenegro", "Netherlands", "Portugal", "San Marino", "Slovakia", "Slovenia", "Spain", "Vatican City"],
	"FJD": ["Fiji"],
	"FKP": ["Falkland Islands"],
	"GBP": ["United Kingdom", "Isle of Man", "Channel Islands", "South Georgia", "South Sandwich Islands", "British Antarctic Territory", "British Indian Ocean Territory"],
	"GEL": ["Georgia"],
	"GHS": ["Ghana"],
	"GIP": ["Gibraltar"],
	"GMD": ["Gambia"],
	"GNF": ["Guinea"],
	"GTQ": ["Guatemala"],
	"GYD": ["Guyana"],
	"HKD": ["Hong Kong", "Macao"],
	"HNL": ["Honduras"],
	"HRK": ["Croatia"],
	"HTG": ["Haiti"],
	"HUF": ["Hungary"],
	"IDR": ["Indonesia"],
	"ILS": ["Israel"],
	"INR": ["India"],
	"IQD": ["Iraq"],
	"IRR": ["Iran"],
	"ISK": ["Iceland"],
	"JMD": ["Jamaica"],
	"JOD": ["Jordan"],
	"JPY": ["Japan"],
	"KES": ["Kenya"],
	"KGS": ["Kyrgyzstan"],
	"KHR": ["Cambodia"],
	"KMF": ["Comoros"],
	"KPW": ["North Korea"],
	"KRW": ["South Korea"],
	"KWD": ["Kuwait"],
	"KYD": ["Cayman Islands"],
	"KZT": ["Kazakhstan"],
	"LAK": ["Laos"],
	"LBP": ["Lebanon"],
	"LKR": ["Sri Lanka"],
	"LRD": ["Liberia"],
	"LSL": ["Lesotho"],
	"LTL": ["Lithuania"],
	"LVL": ["Latvia"],
	"LYD": ["Libya"],
	"MAD": ["Morocco"],
	"MDL": ["Moldova"],
	"MGA": ["Madagascar"],
	"MKD": ["Macedonia"],
	"MMK": ["Myanmar"],
	"MNT": ["Mongolia"],
	"MOP": ["Macao"],
	"MRO": ["Mauritania"],
	"MUR": ["Mauritius"],
	"MVR": ["Maldives"],
	"MWK": ["Malawi"],
	"MXN": ["Mexico"],
	"MXV": ["Mexico"],
	"MYR": ["Malaysia"],
	"MZN": ["Mozambique"],
	"NAD": ["Namibia"],
	"NGN": ["Nigeria"],
	"NIO": ["Nicaragua"],
	"NOK": ["Norway", "Svalbard", "Jan Mayen", "Bouvet Island", "Queen Maud Land", "Peter I Island"],
	"NPR": ["Nepal"],
	"NZD": ["Cook Islands", "New Zealand", "Niue", "Pitcairn", "Tokelau", "Ross Dependency"],
	"OMR": ["Oman"],
	"PAB": ["Panama"],
	"PEN": ["Peru"],
	"PGK": ["Papua New Guinea"],
	"PHP": ["Philippines"],
	"PKR": ["Pakistan"],
	"PLN": ["Poland"],
	"PYG": ["Paraguay"],
	"QAR": ["Qatar"],
	"RON": ["Romania"],
	"RSD": ["Serbia"],
	"RUB": ["Russia", "Abkhazia", "South Ossetia"],
	"RWF": ["Rwanda"],
	"SAR": ["Saudi Arabia"],
	"SBD": ["Solomon Islands"],
	"SCR": ["Seychelles"],
	"SDG": ["Sudan"],
	"SEK": ["Sweden"],
	"SGD": ["Singapore", "Brunei"],
	"SHP": ["Saint Helena"],
	"SLL": ["Sierra Leone"],
	"SOS": ["Somalia"],
	"SRD": ["Suriname"],
	"SSP": ["South Sudan"],
	"STD": ["São Tomé and Príncipe"],
	"SYP": ["Syria"],
	"SZL": ["Swaziland"],
	"THB": ["Thailand"],
	"TJS": ["Tajikistan"],
	"TMT": ["Turkmenistan"],
	"TND": ["Tunisia"],
	"TOP": ["Tonga"],
	"TRY": ["Turkey", "Northern Cyprus"],
	"TTD": ["Trinidad and Tobago"],
	"TWD": ["Taiwan"],
	"TZS": ["Tanzania"],
	"UAH": ["Ukraine"],
	"UGX": ["Uganda"],
	"USD": ["American Samoa", "Barbados", "Bermuda", "British Indian Ocean Territory", "British Virgin Islands", "Caribbean Netherlands", "Ecuador", "El Salvador", "Guam", "Haiti", "Marshall Islands", "Federated States of Micronesia", "Northern Mariana Islands", "Palau", "Panama", "Puerto Rico", "Timor-Leste", "Turks and Caicos Islands", "United States", "U.S. Virgin Islands", "Zimbabwe"],
	"USN": ["United States"],
	"USS": ["United States"],
	"UYI": ["Uruguay"],
	"UYU": ["Uruguay"],
	"UZS": ["Uzbekistan"],
	"VEF": ["Venezuela"],
	"VND": ["Vietnam"],
	"VUV": ["Vanuatu"],
	"WST": ["Samoa"],
	"XAF": ["Cameroon", "Central African Republic", "Republic of the Congo", "Chad", "Equatorial Guinea", "Gabon"],
	"XCD": ["Anguilla", "Antigua and Barbuda", "Dominica", "Grenada", "Montserrat", "Saint Kitts and Nevis", "Saint Lucia", "Saint Vincent and the Grenadines"],
	"XDR": ["International Monetary Fund"],
	"XFU": ["International Union of Railways"],
	"XOF": ["Benin", "Burkina Faso", "Côte d'Ivoire", "Guinea-Bissau", "Mali", "Niger", "Senegal", "Togo"],
	"XPF": ["French Polynesia", "New Caledonia", "Wallis and Futuna"],
	"YER": ["Yemen"],
	"ZAR": ["South Africa"],
	"ZMW": ["Zambia"]
}

currencies.txt

AED United Arab Emirates
AFN Afghanistan
ALL Albania
AMD Armenia
ANG Curaçao, Sint Maarten
AOA Angola
ARS Argentina
AUD Australia, Australian Antarctic Territory, Christmas Island, Cocos Islands, Heard and McDonald Islands, Kiribati, Nauru, Norfolk Island, Tuvalu
AWG Aruba
AZN Azerbaijan
BAM Bosnia and Herzegovina
BBD Barbados
BDT Bangladesh
BGN Bulgaria
BHD Bahrain
BIF Burundi
BMD Bermuda
BND Brunei, Singapore
BOB Bolivia
BOV Bolivia
BRL Brazil
BSD Bahamas
BTN Bhutan
BWP Botswana
BYR Belarus
BZD Belize
CAD Canada
CDF Democratic Republic of Congo
CHE Switzerland
CHF Switzerland, Liechtenstein
CHW Switzerland
CLF Chile
CLP Chile
CNY China
COP Colombia
COU Colombia
CRC Costa Rica
CUC Cuba
CUP Cuba
CVE Cape Verde
CZK Czech Republic
DJF Djibouti
DKK Denmark, Faroe Islands, Greenland
DOP Dominican Republic
DZD Algeria
EGP Egypt
ERN Eritrea
ETB Ethiopia
EUR Andorra, Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Kosovo, Luxembourg, Malta, Monaco, Montenegro, Netherlands, Portugal, San Marino, Slovakia, Slovenia, Spain, Vatican City
FJD Fiji
FKP Falkland Islands
GBP United Kingdom, Isle of Man, Channel Islands, South Georgia, South Sandwich Islands, British Antarctic Territory, British Indian Ocean Territory
GEL Georgia
GHS Ghana
GIP Gibraltar
GMD Gambia
GNF Guinea
GTQ Guatemala
GYD Guyana
HKD Hong Kong, Macao
HNL Honduras
HRK Croatia
HTG Haiti
HUF Hungary
IDR Indonesia
ILS Israel
INR India
IQD Iraq
IRR Iran
ISK Iceland
JMD Jamaica
JOD Jordan
JPY Japan
KES Kenya
KGS Kyrgyzstan
KHR Cambodia
KMF Comoros
KPW North Korea
KRW South Korea
KWD Kuwait
KYD Cayman Islands
KZT Kazakhstan
LAK Laos
LBP Lebanon
LKR Sri Lanka
LRD Liberia
LSL Lesotho
LTL Lithuania
LVL Latvia
LYD Libya
MAD Morocco
MDL Moldova
MGA Madagascar
MKD Macedonia
MMK Myanmar
MNT Mongolia
MOP Macao
MRO Mauritania
MUR Mauritius
MVR Maldives
MWK Malawi
MXN Mexico
MXV Mexico
MYR Malaysia
MZN Mozambique
NAD Namibia
NGN Nigeria
NIO Nicaragua
NOK Norway, Svalbard, Jan Mayen, Bouvet Island, Queen Maud Land, Peter I Island
NPR Nepal
NZD Cook Islands, New Zealand, Niue, Pitcairn, Tokelau, Ross Dependency
OMR Oman
PAB Panama
PEN Peru
PGK Papua New Guinea
PHP Philippines
PKR Pakistan
PLN Poland
PYG Paraguay
QAR Qatar
RON Romania
RSD Serbia
RUB Russia, Abkhazia, South Ossetia
RWF Rwanda
SAR Saudi Arabia
SBD Solomon Islands
SCR Seychelles
SDG Sudan
SEK Sweden
SGD Singapore, Brunei
SHP Saint Helena
SLL Sierra Leone
SOS Somalia
SRD Suriname
SSP South Sudan
STD São Tomé and Príncipe
SYP Syria
SZL Swaziland
THB Thailand
TJS Tajikistan
TMT Turkmenistan
TND Tunisia
TOP Tonga
TRY Turkey, Northern Cyprus
TTD Trinidad and Tobago
TWD Taiwan
TZS Tanzania
UAH Ukraine
UGX Uganda
USD American Samoa, Barbados, Bermuda, British Indian Ocean Territory, British Virgin Islands, Caribbean Netherlands, Ecuador, El Salvador, Guam, Haiti, Marshall Islands, Federated States of Micronesia, Northern Mariana Islands, Palau, Panama, Puerto Rico, Timor-Leste, Turks and Caicos Islands, United States, U.S. Virgin Islands, Zimbabwe
USN United States
USS United States
UYI Uruguay
UYU Uruguay
UZS Uzbekistan
VEF Venezuela
VND Vietnam
VUV Vanuatu
WST Samoa
XAF Cameroon, Central African Republic, Republic of the Congo, Chad, Equatorial Guinea, Gabon
XCD Anguilla, Antigua and Barbuda, Dominica, Grenada, Montserrat, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines
XDR International Monetary Fund
XFU International Union of Railways
XOF Benin, Burkina Faso, Côte d'Ivoire, Guinea-Bissau, Mali, Niger, Senegal, Togo
XPF French Polynesia, New Caledonia, Wallis and Futuna
YER Yemen
ZAR South Africa
ZMW Zambia

Thanks, that was very useful