17 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 17050 | Mechanicsburg | 42,547 |
| 17055 | Mechanicsburg | 41,416 |
| 17011 | Camp Hill | 38,642 |
| 17013 | Carlisle | 37,738 |
| 17257 | Shippensburg | 29,116 |
| 17015 | Carlisle | 24,240 |
| 17025 | Enola | 17,463 |
| 17241 | Newville | 11,094 |
| 17007 | Boiling Springs | 6,291 |
| 17043 | Lemoyne | 5,832 |
| 17324 | Gardners | 4,469 |
| 17065 | Mount Holly Springs | 4,043 |
| 17240 | Newburg | 3,154 |
| 17027 | Grantham | 2,748 |
| 17093 | Summerdale | 752 |
| 17266 | Walnut Bottom | 455 |
| 17081 | Plainfield | 283 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 17 ZCTAs in Cumberland County, Pennsylvania (US Census).