finde data ud fra kollonsepereret string

har har gemt en masse adresser i en mysql database hvor alle har et postnummer.

Hvis jeg skal søge på alle adresser i kbh f.eks og jeg har en string der indeholder alle postnumre i kbh, som således: 2800,2820,2830,2840,2850,2860,2870,2880,2900,2920,2930,2942,2950,2600,2605,2610,2620,2625,2630,2633,2635,2640,2650,2660,2665,2670,2680,2690,2700,2720,2730,2740,2750,2760,2765,2770,2791,1000,1001,1002,1003,1004,1005,1006,1007,1008,1009,1010,1011,1012,1013,1014,1015,1016,1017,1018,1019,1020,1021,1022,1023,1024,1025,1026,1045,1050,1051,1052,1053,1054,1055,1056,1057,1058,1059,1060,1061,1062,1063,1064,1065,1066,1067,1068,1069,1070,1071,1072,1073,1074,1092,1093,1095,1098,1100,1101,1102,1103,1104,1105,1106,1107,1110,1111,1112,1113,1114,1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126,1127,1128,1129,1130,1131,1140,1147,1148,1150,1151,1152,1153,1154,1155,1156,1157,1158,1159,1160,1161,1162,1163,1164,1165,1166,1167,1168,1169,1170,1171,1172,1173,1174,1175,1200,1201,1202,1203,1204,1205,1206,1207,1208,1209,1210,1211,1212,1213,1214,1215,1216,1217,1218,1219,1220,1240,1250,1251,1252,1253,1254,1255,1256,1257,1258,1259,1260,1261,1263,1264,1265,1266,1267,1268,1270,1271,1291,1300,1301,1302,1303,1304,1306,1307,1308,1309,1310,1311,1312,1313,1314,1315,1316,1317,1318,1319,1320,1321,1322,1323,1324,1325,1326,1327,1328,1329,1349,1350,1352,1353,1354,1355,1356,1357,1358,1359,1360,1361,1362,1363,1364,1365,1366,1367,1368,1369,1370,1371,1390,1400,1401,1402,1403,1404,1405,1406,1407,1408,1409,1410,1411,1412,1413,1414,1415,1416,1417,1418,1419,1420,1421,1422,1423,1424,1425,1426,1427,1428,1429,1430,1431,1432,1433,1434,1435,1436,1437,1438,1439,1440,1441,1448,1450,1451,1452,1453,1454,1455,1456,1457,1458,1459,1460,1461,1462,1463,1464,1465,1466,1467,1468,1470,1471,1472,1473,1500,1501,1502,1503,1504,1505,1506,1507,1508,1509,1510,1532,1533,1550,1551,1552,1553,1554,1555,1556,1557,1558,1559,1560,1561,1562,1563,1564,1566,1567,1568,1569,1570,1571,1572,1573,1574,1575,1576,1577,1590,1592,1599,1600,1601,1602,1603,1604,1605,1606,1607,1608,1609,1610,1611,1612,1613,1614,1615,1616,1617,1618,1619,1620,1621,1622,1623,1624,1630,1631,1632,1633,1634,1635,1639,1640,1650,1651,1652,1653,1654,1655,1656,1657,1658,1659,1660,1661,1662,1663,1664,1665,1666,1667,1668,1669,1670,1671,1672,1673,1674,1675,1676,1677,1699,1700,1701,1702,1703,1704,1705,1706,1707,1708,1709,1710,1711,1712,1713,1714,1715,1716,1717,1718,1719,1720,1721,1722,1723,1724,1725,1726,1727,1728,1729,1730,1731,1732,1733,1734,1735,1736,1737,1738,1739,1748,1749,1750,1751,1752,1753,1754,1755,1756,1757,1758,1759,1760,1761,1762,1763,1764,1765,1766,1770,1771,1772,1773,1774,1775,1777,1778,1780,1782,1784,1785,1786,1787,1788,1789,1790,1795,1799,1800,1801,1802,1803,1804,1805,1806,1807,1808,1809,1810,1811,1812,1813,1814,1815,1816,1817,1818,1819,1820,1822,1823,1824,1825,1826,1827,1828,1829,1835,1850,1851,1852,1853,1854,1855,1856,1857,1860,1861,1862,1863,1864,1865,1866,1867,1868,1870,1871,1872,1873,1874,1875,1876,1877,1878,1879,1900,1901,1902,1903,1904,1905,1906,1908,1909,1910,1911,1912,1913,1914,1915,1916,1917,1920,1921,1922,1923,1924,1925,1926,1927,1928,1931,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1970,1971,1972,1973,1974,1999,2000,2100,2200,2300,2400,2450,2500

Kan jeg så på en nem måde lave et SELECT * FROM adresser WHERE postnummer = en_af_værdierne_fra_min_string.....?