Post office locations in 12138
| Post Office | Address | Phone | Hours |
| PETERSBURG | 90 MAIN ST PETERSBURG, NY 12138 - 9998 | 518-658-3649 | Mon-Fri 8:15am - 12:15pm 1:15pm - 3:15pm Sat 9:00am - 11:30am Sun Closed |
| Post Office | Address | Phone | Hours |
| PETERSBURG | 90 MAIN ST PETERSBURG, NY 12138 - 9998 | 518-658-3649 | Mon-Fri 8:15am - 12:15pm 1:15pm - 3:15pm Sat 9:00am - 11:30am Sun Closed |