Post office locations in 01840
| Post Office | Address | Phone | Hours |
| LAWRENCE | 431 COMMON ST LAWRENCE, MA 01840 - 9998 | 978-691-4588 | Mon-Fri 08:00 AM - 05:30 PM Sat 08:00 AM - 01:00 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| LAWRENCE | 431 COMMON ST LAWRENCE, MA 01840 - 9998 | 978-691-4588 | Mon-Fri 08:00 AM - 05:30 PM Sat 08:00 AM - 01:00 PM Sun Closed |