Post office locations in 01040
| Post Office | Address | Phone | Hours |
| HOLYOKE | 650 DWIGHT ST HOLYOKE, MA 01040 - 9998 | 413-534-4577 | Mon-Fri 08:30 AM - 05:00 PM Sat 08:30 AM - 01:00 PM Sun Closed |
| INGLESIDE MALL | 50 HOLYOKE ST HOLYOKE, MA 01040 - 2709 | 413-536-0230 | Mon-Sat 10:30 AM - 07:00 PM Sun 12:00 PM - 05:00 PM |