Post office locations in 08861
| Post Office | Address | Phone | Hours |
| PERTH AMBOY | 205 JEFFERSON ST PERTH AMBOY, NJ 08861 - 9998 | 732-826-2090 | Mon-Fri 09:00 AM - 05:00 PM Sat 09:00 AM - 01:00 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| PERTH AMBOY | 205 JEFFERSON ST PERTH AMBOY, NJ 08861 - 9998 | 732-826-2090 | Mon-Fri 09:00 AM - 05:00 PM Sat 09:00 AM - 01:00 PM Sun Closed |