James Martin (Postmaster)
james.martin@usps.gov
4607 W Chester Pike
Newtown Square, PA 19073
Newtown Square, PA 19073
The Newtown Sq Carrier Annex Post Office is located in the state of Pennsylvania within Delaware County. This location serves 18,332 Newtown Square residents with a median income of $100,539. It's estimated that approximately 29,260 packages pass through this post office each year.