| Business | Phone |
| Us Post Office 1701 Shannon St, Monroe 71201 | (318) 000-1111 |
| Us Post Office 1892 Highway 139, Monroe 71203 | (318) 343-8184 |
| Us Post Office 201 Jackson St, Monroe 71201 | (318) 000-1111 |
| Us Post Office 501 Sterlington Rd, Monroe 71203 | (318) 000-1111 |
| Us Post Office Vehicle Mntnc 3211 Breard St, Monroe 71201 | (318) 322-0910 |