Post office locations in 07034
| Post Office | Address | Phone | Hours |
| LAKE HIAWATHA | 494 N BEVERWYCK RD LAKE HIAWATHA, NJ 07034 - 9998 | 973-334-7062 | Mon-Fri 09:00 AM - 07:00 PM Sat 09:00 AM - 04:00 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| LAKE HIAWATHA | 494 N BEVERWYCK RD LAKE HIAWATHA, NJ 07034 - 9998 | 973-334-7062 | Mon-Fri 09:00 AM - 07:00 PM Sat 09:00 AM - 04:00 PM Sun Closed |