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Carrier guide: USPS

If you have questions about what carriers are the best for you, you can read our guide for Choosing a Carrier. This page contains the service levels guide for shipping from the US and additional USPS features.
 

Shipping from the United States using USPS

Service
name
Delivery confirmation In-transit
tracking
Signature required Insurable Delivery window (business days)
Priority Mail Express International   3-5
First Class Mail Parcel + Delivery Confirmation   2-5
First Class Mail International*         6-10
First Class Mail Parcel + Signature Required 2-5
Media Mail*         4-14
Priority Mail + Delivery Confirmation   2-3
Priority Mail Flat Rate Large Box   2-3
Priority Mail Flat Rate Medium Box   2-3
Priority Mail Flat Rate Padded Envelope   2-3
Priority Mail Flat Rate Small Box   2-3
Priority Mail International   6-10
Priority Mail International Flat Rate Large Box   6-10
Priority Mail International Flat Rate Medium Box   6-10
Priority Mail International Flat Rate Padded Envelope   6-10
Priority Mail International Flat Rate Small Box   6-10
Priority Mail + Signature Required 2-3
Priority Mail Express   1

*Contact Customer Care to enable the service.
 

Additional USPS features

Free Delivery Confirmation
Shipwire’s Commercial Base pricing includes Delivery Confirmation for the USPS First Class and USPS Priority Mail service levels.

Shipping to a USPS PO Box, or a US Military APO
If you have an order that needs to be shipped to a USPS PO Box it must be shipped via USPS carrier. The same applies to a US Military APO box.

More information on fees for sending to a USPS PO BOX.
More information on sending to US Military APO Boxes.

USPS Tracking Number Reuse
USPS has been known to reuse old tracking numbers from previous shipments dating back a couple of years. The tracking information will update within one or two business days. USPS assigns tracking numbers to shipments and this cannot not be avoided.
 


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