Post office locations in 07823
| Post Office | Address | Phone | Hours |
| BELVIDERE | 111 MANSFIELD ST BELVIDERE, NJ 07823 - 9998 | 908-475-2957 | Mon-Fri 8:30am - 4:30pm Sat 9:00am - 12:00pm Sun Closed |
| Post Office | Address | Phone | Hours |
| BELVIDERE | 111 MANSFIELD ST BELVIDERE, NJ 07823 - 9998 | 908-475-2957 | Mon-Fri 8:30am - 4:30pm Sat 9:00am - 12:00pm Sun Closed |