Ordnance Survey Abbreviations and Acronyms

1. OE
   Orignal Error
2. OF
   View
3. OFC
   Office
4. OFF
   Office
5. OG
   Operational Group
6. OG
   Ornamental Ground
7. OKT
   One Two Three Airlines
8. ON
   Oven
9. OP
   Open
10. OP
    Opposite
11. OPN
    Open
12. OPP
    Opposite
13. OPTB
    Opposite
14. ORCH
    Orchard
15. ORKN
    Orkney
16. OS
    Out Stipple
17. OSBM
    Ordnance Survey Bench Mark
18. OSGB
    Ordnance Survey Great Britain
19. OST
    Ordinary Spring Tide
20. OT
    Ordinary Tide

Last updated: May 23, 2020 — Total entries: 1,417