USD
United States Dollar
Why ISO 4217 currency codes matter
ISO 4217 is the global standard for representing currencies in software, financial messaging, and international trade. The three-letter currency code—such as USD— is designed to be unambiguous across languages and regions, which makes it ideal for APIs, databases, payment processors, and reporting pipelines. Numeric currency codes complement the letter codes in systems that prefer fixed-width digits or need a stable identifier that is independent of localization.
Using ISO 4217 codes consistently helps prevent subtle but costly bugs. For example, a currency symbol like $ can refer to multiple currencies, while the code USD, CAD, or AUD makes the intended meaning explicit. Global products often combine ISO 4217 codes with ISO country codes and international calling codes to model identity, geography, and pricing accurately. This page pairs the ISO 4217 details for USD with the countries that use it so you can design money flows that are predictable, auditable, and ready for worldwide scale.
Countries Using USD
20 countries reference this currency.
- American SamoaASOceania · PolynesiaCalling Codes: +1684
- BahamasBSAmericas · CaribbeanCalling Codes: +1242
- British Indian Ocean TerritoryIOAfrica · Eastern AfricaCalling Codes: +246
- British Virgin IslandsVGAmericas · CaribbeanCalling Codes: +1284
- CambodiaKHAsia · South-Eastern AsiaCalling Codes: +855
- Caribbean NetherlandsBQAmericas · CaribbeanCalling Codes: +599
- EcuadorECAmericas · South AmericaCalling Codes: +593
- El SalvadorSVAmericas · Central AmericaCalling Codes: +503
- GuamGUOceania · MicronesiaCalling Codes: +1671
- Marshall IslandsMHOceania · MicronesiaCalling Codes: +692
- MicronesiaFMOceania · MicronesiaCalling Codes: +691
- Northern Mariana IslandsMPOceania · MicronesiaCalling Codes: +1670
- PalauPWOceania · MicronesiaCalling Codes: +680
- PanamaPAAmericas · Central AmericaCalling Codes: +507
- Puerto RicoPRAmericas · CaribbeanCalling Codes: +1787, +1939
- Timor-LesteTLAsia · South-Eastern AsiaCalling Codes: +670
- Turks and Caicos IslandsTCAmericas · CaribbeanCalling Codes: +1649
- United StatesUSAmericas · North AmericaCalling Codes: +1201, +1202, +1203, +1205, +1206, +1207, +1208, +1209, +1210, +1212, +1213, +1214, +1215, +1216, +1217, +1218, +1219, +1220, +1223, +1224, +1225, +1227, +1228, +1229, +1231, +1234, +1239, +1240, +1248, +1251, +1252, +1253, +1254, +1256, +1260, +1262, +1267, +1269, +1270, +1272, +1274, +1276, +1279, +1281, +1283, +1301, +1302, +1303, +1304, +1305, +1307, +1308, +1309, +1310, +1312, +1313, +1314, +1315, +1316, +1317, +1318, +1319, +1320, +1321, +1323, +1325, +1326, +1327, +1330, +1331, +1332, +1334, +1336, +1337, +1339, +1341, +1346, +1347, +1351, +1352, +1360, +1361, +1364, +1380, +1385, +1386, +1401, +1402, +1404, +1405, +1406, +1407, +1408, +1409, +1410, +1412, +1413, +1414, +1415, +1417, +1419, +1423, +1424, +1425, +1430, +1432, +1434, +1435, +1440, +1442, +1443, +1445, +1447, +1448, +1458, +1463, +1464, +1469, +1470, +1475, +1478, +1479, +1480, +1484, +1500, +1501, +1502, +1503, +1504, +1505, +1507, +1508, +1509, +1510, +1512, +1513, +1515, +1516, +1517, +1518, +1520, +1521, +1522, +1523, +1524, +1525, +1526, +1527, +1528, +1529, +1530, +1531, +1532, +1533, +1534, +1535, +1538, +1539, +1540, +1541, +1542, +1543, +1544, +1545, +1546, +1547, +1549, +1550, +1551, +1552, +1553, +1554, +1556, +1557, +1558, +1559, +1561, +1562, +1563, +1564, +1566, +1567, +1569, +1570, +1571, +1572, +1573, +1574, +1575, +1577, +1578, +1580, +1582, +1585, +1586, +1588, +1589, +1601, +1602, +1603, +1605, +1606, +1607, +1608, +1609, +1610, +1612, +1614, +1615, +1616, +1617, +1618, +1619, +1620, +1623, +1626, +1628, +1629, +1630, +1631, +1636, +1640, +1641, +1646, +1650, +1651, +1656, +1657, +1659, +1660, +1661, +1662, +1667, +1669, +1678, +1679, +1680, +1681, +1682, +1689, +1700, +1701, +1702, +1703, +1704, +1706, +1707, +1708, +1710, +1712, +1713, +1714, +1715, +1716, +1717, +1718, +1719, +1720, +1724, +1725, +1726, +1727, +1730, +1731, +1732, +1734, +1737, +1740, +1743, +1747, +1754, +1757, +1760, +1762, +1763, +1765, +1769, +1770, +1771, +1772, +1773, +1774, +1775, +1779, +1781, +1785, +1786, +1801, +1802, +1803, +1804, +1805, +1806, +1808, +1810, +1812, +1813, +1814, +1815, +1816, +1817, +1818, +1820, +1826, +1828, +1830, +1831, +1832, +1838, +1839, +1840, +1843, +1845, +1847, +1848, +1850, +1854, +1856, +1857, +1858, +1859, +1860, +1862, +1863, +1864, +1865, +1870, +1872, +1878, +1901, +1903, +1904, +1906, +1907, +1908, +1909, +1910, +1912, +1913, +1914, +1915, +1916, +1917, +1918, +1919, +1920, +1925, +1928, +1929, +1930, +1931, +1934, +1936, +1937, +1938, +1940, +1941, +1943, +1945, +1947, +1948, +1949, +1951, +1952, +1954, +1956, +1959, +1970, +1971, +1972, +1973, +1975, +1978, +1979, +1980, +1983, +1984, +1985, +1986, +1989
- United States Minor Outlying IslandsUMAmericas · North AmericaCalling Codes: +268
- United States Virgin IslandsVIAmericas · CaribbeanCalling Codes: +1340