Post Offices List in Niagara Falls City, New York:
| Bridge Post Office | 1001 South Ave Lowr, Niagara Falls, NY 14305 |
| La Salle Post Office | 9860 Niagara Falls Blvd, Niagara Falls, NY 14304 |
| New Market Post Office | 2020 Pine Ave Frnt A, Niagara Falls, NY 14301 |
| Niagara Falls Post Office | 615 Main St Ste 1, Niagara Falls, NY 14301 |