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Newcastle Post Office Hours

Retail Hours

Contact Numbers:

Phone: 405-387-5679
Monday-Friday 8:30am - 4:30pm
Saturday 8:30am - 10:30am
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 8:30am - 3:00pm
Saturday-Sunday Closed

Monday-Friday 6:45am - 4:30pm
Saturday 5:30am - 11:15am
Sunday Closed

Lobby Hours

Monday-Saturday 12:01am - 11:59pm
Sunday Closed

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Melva L Williams (Postmaster)
220 N Wright St
Newcastle, OK 73065

The Newcastle Post Office is located in the state of Oklahoma within McClain County. This location serves 6,546 Newcastle residents with a median income of $75,259. It's estimated that approximately 10,448 packages pass through this post office each year.

Newcastle Post Office Location

Newcastle Oklahoma Local Links