Post office locations in 17603
| Post Office | Address | Phone | Hours |
| DOWNTOWN LANCASTER | 48-50 W CHESTNUT ST STE 1 LANCASTER, PA 17603 - 9997 | 717-509-7663 | Mon-Fri 7:30am - 4:30pm Sat 9:00am - 12:00pm Sun Closed |
| ROHRERSTOWN | 153 ROHRERSTOWN RD LANCASTER, PA 17603 - 2263 | 717-394-0982 | Mon-Fri 8:00am - 4:30pm Sat 9:00am - 12:00pm Sun Closed |