ZIP Code 17603 – Lancaster, PA
Lancaster, Pennsylvania · Lancaster County · Eastern time
| ZIP code | 17603 |
|---|---|
| City | Lancaster |
| State | Pennsylvania |
| County | Lancaster County |
| Population | 67,571 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 29.99 sq mi |
| Center (lat, long) | 40.0308, -76.3304 |
Area codes in this area
These are the area codes that most often serve ZIP 17603 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 17603
ZIP code 17603 is assigned to Lancaster, Pennsylvania. It lies in Lancaster County. Its Census area covers about 29.99 square miles of land. The closest neighboring ZIP is 17504 (Bausman), about 0.5 miles away.
Every address in 17603 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources