All Zip Codes in United States
| Zip Codes | Population | State | Rank |
|---|
| 42101 zip code | 55,648 | Kentucky | 1 |
| 42701 zip code | 48,194 | Kentucky | 2 |
| 42240 zip code | 42,479 | Kentucky | 3 |
| 42301 zip code | 42,440 | Kentucky | 4 |
| 42303 zip code | 38,909 | Kentucky | 5 |
| 42420 zip code | 38,192 | Kentucky | 6 |
| 42141 zip code | 30,349 | Kentucky | 7 |
| 42003 zip code | 29,683 | Kentucky | 8 |
| 42071 zip code | 29,655 | Kentucky | 9 |
| 42104 zip code | 29,610 | Kentucky | 10 |
| 42001 zip code | 27,960 | Kentucky | 11 |
| 42431 zip code | 26,916 | Kentucky | 12 |
| 42718 zip code | 24,312 | Kentucky | 13 |
| 42066 zip code | 23,182 | Kentucky | 14 |
| 42503 zip code | 22,894 | Kentucky | 15 |
| 42633 zip code | 20,065 | Kentucky | 16 |
| 42223 zip code | 19,837 | Kentucky | 17 |
| 42025 zip code | 19,305 | Kentucky | 18 |
| 42103 zip code | 18,936 | Kentucky | 19 |
| 42501 zip code | 17,592 | Kentucky | 20 |
| 42134 zip code | 16,785 | Kentucky | 21 |
| 42164 zip code | 16,277 | Kentucky | 22 |
| 42728 zip code | 15,925 | Kentucky | 23 |
| 42754 zip code | 15,349 | Kentucky | 24 |
| 42276 zip code | 14,471 | Kentucky | 25 |
| 42211 zip code | 13,422 | Kentucky | 26 |
| 42642 zip code | 12,573 | Kentucky | 27 |
| 42345 zip code | 11,747 | Kentucky | 28 |
| 42445 zip code | 11,331 | Kentucky | 29 |
| 42261 zip code | 10,602 | Kentucky | 30 |
| 42602 zip code | 10,216 | Kentucky | 31 |
| 42539 zip code | 10,026 | Kentucky | 32 |
| 42330 zip code | 9,386 | Kentucky | 33 |
| 42743 zip code | 8,869 | Kentucky | 34 |
| 42748 zip code | 8,706 | Kentucky | 35 |
| 42064 zip code | 8,421 | Kentucky | 36 |
| 42262 zip code | 8,396 | Kentucky | 37 |
| 42437 zip code | 8,324 | Kentucky | 38 |
| 42320 zip code | 8,205 | Kentucky | 39 |
| 42167 zip code | 8,145 | Kentucky | 40 |
| 42129 zip code | 7,026 | Kentucky | 41 |
| 42220 zip code | 6,844 | Kentucky | 42 |
| 42171 zip code | 6,841 | Kentucky | 43 |
| 42408 zip code | 6,737 | Kentucky | 44 |
| 42717 zip code | 6,558 | Kentucky | 45 |
| 42029 zip code | 6,321 | Kentucky | 46 |
| 42127 zip code | 6,199 | Kentucky | 47 |
| 42347 zip code | 6,152 | Kentucky | 48 |
| 42567 zip code | 6,007 | Kentucky | 49 |
| 42366 zip code | 5,863 | Kentucky | 50 |
| 42544 zip code | 5,843 | Kentucky | 51 |
| 42765 zip code | 5,840 | Kentucky | 52 |
| 42376 zip code | 5,799 | Kentucky | 53 |
| 42206 zip code | 5,407 | Kentucky | 54 |
| 42038 zip code | 5,298 | Kentucky | 55 |
| 42553 zip code | 5,284 | Kentucky | 56 |
| 42749 zip code | 5,245 | Kentucky | 57 |
| 42635 zip code | 5,103 | Kentucky | 58 |
| 42256 zip code | 5,028 | Kentucky | 59 |