United States Abbreviations and Acronyms

1. 415
   California
2. 501
   Arkansas
3. 502
   Kentucky
4. 503
   Oregon
5. 504
   Louisiana
6. 505
   New Mexico
7. PAST
   Summit Airport, Summit, Alaska, United States
8. ANSCII
   American National Standard Code for Information Interchange
9. PASV
   Sparrevohn Lrrs, Sparrevohn, Alaska, United States
10. USNA
    United States Naval Academy
11. ACSJ
    American Ceramic Society Journal
12. BAVSO
    Bulletin of the American Association of Variable Stars Observers
13. CoTol
    Contributions from the Cerro Tololo Inter-American Observatory
14. 911
    Emergency Services Phone Number
15. C4I
    Command, Control, Communications, Computers, & Intelligence
16. O-3
    Captain
17. O-4
    Major
18. O-5
    Lieutenant Colonel
19. O-6
    Colonel
20. USPACOM
    United States Pacific Command

Last updated: September 22, 2021 — Total entries: 5,551