| Zip Code | Primary City | Secondary City | More Information |
| 17573 | Lancaster | Lancaster | Lancaster population stats |
| 17601 | Lancaster | Lancaster | Lancaster population stats |
| 17602 | Lancaster | Lancaster | Lancaster population stats |
| 17603 | Lancaster | Lancaster | Lancaster population stats |
| 17605 | Lancaster | Lancaster | Lancaster population stats |
| 17606 | Lancaster | Lancaster | Lancaster population stats |
| 17607 | Lancaster | Lancaster | Lancaster population stats |
| 17608 | Lancaster | Lancaster | Lancaster population stats |
| 17611 | Lancaster | Lancaster | Lancaster population stats |
| 17622 | Lancaster | Lancaster | Lancaster population stats |
| 17699 | Lancaster | Lancaster | Lancaster population stats |