24 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 41858 | Whitesburg | 7,031 |
| 41537 | Jenkins | 3,447 |
| 41840 | Neon | 1,245 |
| 41804 | Blackey | 1,201 |
| 41837 | Mayking | 945 |
| 40826 | Eolia | 809 |
| 41815 | Ermine | 796 |
| 41855 | Thornton | 711 |
| 41838 | Millstone | 701 |
| 41824 | Isom | 685 |
| 41826 | Jeremiah | 668 |
| 41835 | McRoberts | 567 |
| 40862 | Partridge | 525 |
| 41832 | Letcher | 383 |
| 41821 | Hallie | 363 |
| 41810 | Cromona | 350 |
| 41825 | Jackhorn | 306 |
| 41819 | Gordon | 289 |
| 41812 | Deane | 177 |
| 41845 | Premium | 174 |
| 41833 | Linefork | 144 |
| 41517 | Burdine | 120 |
| 41849 | Seco | 75 |
| 41848 | Roxana | 28 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 24 ZCTAs in Letcher County, Kentucky (US Census).