Post Offices List in Newtown Square City, Pennsylvania:
| Newtown Square Post Office | 3576 W Chester Pike, Newtown Square, PA 19073 |
| Newtown Sq Carrier Annex Post Office | 4607 W Chester Pike, Newtown Square, PA 19073 |
| Newtown Square Post Office | 3576 W Chester Pike, Newtown Square, PA 19073 |
| Newtown Sq Carrier Annex Post Office | 4607 W Chester Pike, Newtown Square, PA 19073 |