Postal Abbreviations and Acronyms

1. OMSS
   Organizational Management Staffing System
2. OND
   Over-Nite Delivery
3. ONEPS
   Ottoman and Near East Philatelic Society
4. OOPM
   Office of Personnel Management
5. OP
   Optional Procedure
6. OPF
   Official Personnel File
7. OPM
   Office of Personnel Management
8. OPME
   óRteses, PróTeses E Materiais Especiais
9. OPTEX
   Optional Program for Examinations
10. OR
    Oregon
11. ORE
    Oregon
12. ORPES
    On-Rolls and Paid Employee Statistics
13. OSCAR
    Online Solution for Carbon Analysis and Reporting
14. OSHA I&I
    Occupational Safety and Health Administration Injuries and Illnesses
15. OSS
    Output Subsystem
16. OSTP
    Office of Science Technology Planning
17. OTR
    Over-Khe-Road
18. OTR
    Over-the-Road
19. OTS
    Office of Technical Support
20. OVO
    Outward Vouching Office

Last updated: May 24, 2020 — Total entries: 2,182