What does prefix lx mean in USPS tracking number?

In USPS tracking numbers, the prefix "LX" typically indicates that the package is being shipped via a specific service, often related to international or specialized shipments. It may denote a package that is part of a logistics or express service, but the exact meaning can vary based on the service used. To get detailed information about the specific service associated with an "LX" prefix, it’s best to refer to USPS resources or customer service.