About USPS
The United States Postal Service is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, including its insular areas and associated states.
USPS Tracking number Instructions:
The most common tracking number format is 22 digits (e.g. 9999 9999 9999 9999 9999 99), or a combination of 13 alphabetic and numeric characters, usually starting with 2 alphabets, following by 9 digits, and ending by "US" (e.g. EA 999 999 999 US).
<b>Example Tracking Numbers:</b>
USPS Tracking® – 9400 1000 0000 0000 0000 00
Priority Mail® – 9205 5000 0000 0000 0000 00
Certified Mail® – 9407 3000 0000 0000 0000 00
Collect On Delivery Hold For Pickup – 9303 3000 0000 0000 0000 00
Global Express Guaranteed® – 82 000 000 00
Priority Mail Express International® – EC 000 000 000 US
Priority Mail Express® – 9270 1000 0000 0000 0000 00 or EA 000 000 000 US
Priority Mail International® – CP 000 000 000 US
Registered Mail™ – 9208 8000 0000 0000 0000 00
Signature Confirmation™ – 9202 1000 0000 0000 0000 00
Auto-Track USPS Shipments
Our Multi-Carrier Tracking API will auto-track your USPS shipments
USPS Post-Shipping Automation
Fully integrate USPS tracking into your WooCommerce or Shopify store admin
USPS Delivery Notifications
Send your customers automated USPS shipment status & delivery emails or SMS
USPS Tracking on Your Store
Direct your customers to track USPS shipments on a tracking page on your store