Priority Mail service from USPS that includes tracking and delivery in 1-3 business days domestic USA.
https://www.usps.com/ship/priority-mail.htm
Shipping Providers
Get access to data on 70,413 websites USPS Priority Mail Customers. We know of 31,965 live websites using USPS Priority Mail and an additional 38,448 sites that used USPS Priority Mail historically and 29,659 websites in the United States.
Get a list of 70,413 websites using USPS Priority Mail which includes location information, hosting data, contact details, 31,965 currently live websites and an additional 48,922 domains that redirect to sites in this list. 38,448 sites that used this technology previouslyand 29,659 websites in the United States currently using USPS Priority Mail.
Countries
Financial
Group
Region