Us Post Abbreviations and Acronyms
- PPLParts Provisioning List
- PPPPostaw Package Partner
- PPPPublishing and Print Planning
- PPPPostal Package Partner
- PQPostal Quarter
- PRPoste Restante
- PRAPostal Reorganization Act
- PRAPostal Regulatory Act of 1970
- PRARPostal Revenue and Activity Reporting
- PRARPostal Revenue Activity Report
- PRDPortal Radiation Detector
- PRDPrint Reflectance Difference
- PREFPreferentialsmail
- PREFPreferential Mail
- PRNPostal Routed Network
- PSPostal Service
- PS&PProducts, Services and Publications
- PSAPublic Service Announcement (radio/TV Term)
- PSAParcel Shippers Association
- PSACPublic Service Alliance of Canada
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