Post office locations in 12603
| Post Office | Address | Phone | Hours |
| ARLINGTON | 41 RAYMOND AVE POUGHKEEPSIE, NY 12603 - 2397 | 845-471-7046 | Mon-Fri 09:00 AM - 05:00 PM Sat 08:00 AM - 12:30 PM Sun Closed |
| ARLINGTON CARRIER ANNEX | 50 PAGE PARK DR POUGHKEEPSIE, NY 12603 - 2558 | 845-485-2736 |