New Castle Post Office

100 Mcmullen Ave
New Castle, DE 19720
302-328-5893
Hours of Operation: View Hours

View the New Castle Post Office hours along with contact information, and more to get your post office needs done in New Castle, DE.



What are the hours for the New Castle Post Office?

New Castle Post Office Hours

Monday-Friday: 9:00am-5:00pm
Saturday: 9:00am-11:30am
Sunday: Closed

New Castle Post Office Additional Information:

Located in New Castle County

There are many office locations in the state of DE. Search any other locations that there might be to get your mail done today and on time. If there need to be any corrections made do to changes that have been made to this New Castle Post Office location, please let us know and we will update.

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