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USPS
CA
Newcastle
USPS Location
- Newcastle
458 Main St, Newcastle, CA 95658
1-800-275-8777
USPS Location
- Newcastle
9241 Old State Hwy, Newcastle, CA 95658
916-663-9405
Mo. 9:00am-5:00pm
Tu. 9:00am-5:00pm
We. 9:00am-5:00pm
Th. 9:00am-5:00pm
Fr. 9:00am-5:00pm
Sa. CLOSED
Su. CLOSED
Bulk Mail Acceptance, Bulk Mail Account Balance, Bulk Mail New Permit, Duck Stamps, General Delivery, Money Orders (Domestic), Money Orders (Inquiry), Money Orders (International), PO Box Online, Pickup Accountable Mail, Pickup Hold Mail
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