16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 17042 | Lebanon | 39,626 |
| 17046 | Lebanon | 31,701 |
| 17078 | Palmyra | 23,798 |
| 17067 | Myerstown | 15,985 |
| 17003 | Annville | 11,932 |
| 17038 | Jonestown | 8,245 |
| 17073 | Newmanstown | 6,064 |
| 17026 | Fredericksburg | 3,636 |
| 17028 | Grantville | 3,331 |
| 17016 | Cornwall | 1,044 |
| 17064 | Mount Gretna | 738 |
| 17088 | Schaefferstown | 503 |
| 17041 | Lawn | 254 |
| 17010 | Campbelltown | 170 |
| 17077 | Ono | 74 |
| 17039 | Kleinfeltersville | 10 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in Lebanon County, Pennsylvania (US Census).