Carrier reference guide: USPS
If you have questions about what carriers are the best for you, you can read our guide for Choosing a Carrier.
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.