Post office locations in 12138
| Post Office | Address | Phone | Hours |
| PETERSBURG | 90 MAIN ST PETERSBURG, NY 12138 - 9998 | 518-658-3649 | Mon-Fri 08:15 AM - 12:15 PM 01:15 PM - 03:15 PM Sat 09:00 AM - 11:30 AM Sun Closed |
| Post Office | Address | Phone | Hours |
| PETERSBURG | 90 MAIN ST PETERSBURG, NY 12138 - 9998 | 518-658-3649 | Mon-Fri 08:15 AM - 12:15 PM 01:15 PM - 03:15 PM Sat 09:00 AM - 11:30 AM Sun Closed |