Newcastle Post Office Hours

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Retail Hours

Contact Numbers:

Phone: 916-663-9405
Monday-Friday 9:00am - 11:00am, 12:00pm - 5:00pm
Saturday-Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 9:00am - 11:00am, 12:00pm - 2:30pm
Saturday-Sunday Closed

Monday-Friday 6:30am - 5:00pm
Saturday 6:30am - 9:30am
Sunday Closed

Lobby Hours

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

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Carla Morillas (Postmaster)
9241 Old State Hwy
Newcastle, CA 95658

The Newcastle Post Office is located in the state of California within Placer County. This location serves 6,285 Newcastle residents with a median income of $60,162. It's estimated that approximately 10,032 packages pass through this post office each year.

Newcastle Post Office Location

Newcastle California Local Links