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Newcastle Post Office in Newcastle, CA

Find Newcastle Post Office in Newcastle, CA 95658 to get information on mail-related services, postal services, postal items and payment, parcel shipment, and mail and parcel delivery.

  • Newcastle Post Office
  • 9241 Old State Highway, Newcastle, CA 95658
  • 916-663-9405
  • Mon-Fri 7:30 AM-5:00 PM
    Sat 7:30 AM-12:00 PM

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