USPS Usage Statistics

USPS

US government owned postal service for delivery within USA.

http://usps.com

Shipping Providers

USPS Customers

Get access to data on 380,748 websites that are USPS Customers. We know of 236,951 live websites using USPS and an additional 143,797 sites that used USPS historically and 208,840 websites in the United States.

USPS Variations
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