ZIP Code 17604 is located in Lancaster Pennsylvania. 17604 is entirely within Lancaster County. Regionally, it is located in the Harrisburg-Lancaster-Lebanon-York Area.
| ZIP Code Name | Lancaster |
| Primary County | Lancaster County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 40.05959320,-76.33472443 |
| Adjacent ZIP Codes | |
| Region | Harrisburg-Lancaster-Lebanon-York Area |
| Metropolitan/Micropolitan Stat Area | Lancaster, PA |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| US Congressional Districts in 17604 | |
| Pennsylvania State Senate Districts in 17604 | |
| Pennsylvania State House of Representatives Districts in 17604 |