16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 17042 | Lebanon | 40,161 |
| 17046 | Lebanon | 31,835 |
| 17078 | Palmyra | 23,840 |
| 17067 | Myerstown | 15,815 |
| 17003 | Annville | 12,534 |
| 17038 | Jonestown | 8,394 |
| 17073 | Newmanstown | 6,314 |
| 17028 | Grantville | 3,563 |
| 17026 | Fredericksburg | 3,137 |
| 17016 | Cornwall | 909 |
| 17064 | Mount Gretna | 839 |
| 17088 | Schaefferstown | 459 |
| 17041 | Lawn | 190 |
| 17010 | Campbelltown | 160 |
| 17077 | Ono | 108 |
| 17039 | Kleinfeltersville | 38 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in Lebanon County, Pennsylvania (US Census).