Zip Code | City | Population |
|---|---|---|
| 25404 | Martinsburg | 22,950 |
| 25427 | Hedgesville | 15,946 |
| 25405 | Martinsburg | 15,322 |
| 25401 | Martinsburg | 15,074 |
| 25403 | Martinsburg | 14,739 |
| 25428 | Inwood | 14,518 |
| 25419 | Falling Waters | 12,235 |
| 25413 | Bunker Hill | 8,399 |
| 25420 | Gerrardstown | 4,801 |
| 25421 | Glengary | 20 |