: Ensure your antivirus software is active when browsing unfamiliar domains or forums.

: To ensure that automated tools like the "Load Truck" feature work properly for substitute carriers (RCAs), regular carriers often need to coordinate with local management or IT to update the route's digital footprint in the USPS database. Safety Warning

In the context of the , a "daughter ZIP" refers to a secondary or subordinate ZIP code assigned to a specific delivery route that primarily belongs to a different (parent) ZIP code. Overview of Daughter ZIPs in USPS Operations