Us Post Abbreviations and Acronyms

1. IPA
   International Pilot's Association
2. IPA/ISAL
   International Priority Airmail/International Surface Air Lift
3. IPCS
   International Package Consignment Service
4. IPP
   Irregular Parcels and Pieces
5. IPP
   In-Person Proofing
6. IPR
   In Process Review
7. IPS
   In-Plant Support
8. IPSIM
   Interactive Postal Simulator
9. IPSS
   Image Processing Subsystem
10. IPU
    Image Processing Unit
11. IRBC
    Information Rich Barcode
12. IRM
    Integrated Resource Management
13. IRMD
    Information Resource Management Department
14. IRS
    International Reconciliation System
15. IRS
    U.S. Internal Revenue Service
16. IRT
    Integrated Retail Terminal
17. IRT/BCA
    Integrated Retail Terminal/ Bank Card Acceptance
18. ISAL
    International Surface Air Lift
19. ISBN
    International Standard Book Number (ISO 2108)
20. ISC
    International Systems Consultancy

Last updated: May 24, 2020 — Total entries: 1,517