• USPS Service Standards Maps https://postalpro.usps.com/ppro-tools/service-standards-maps 100 comments 27/3/2022

• List of all the companies that buy your change-of-address info (USPS) https://postalpro.usps.com/NCOALink_Service_Providers 3 comments 24/1/2025 privacy
• USPS National Change of Address Database https://postalpro.usps.com/mailing-and-shipping-services/NCOALink 2 comments 4/10/2022 privacy