Us phone area codes Abbreviations and Acronyms

1. 410
   Maryland
2. 412
   Pennsylvania
3. 413
   Massachusetts
4. 414
   Wisconsin
5. 415
   California
6. 500
   Personal Communication Services
7. 501
   Arkansas
8. 501
   Arkansas - Central (Little Rock)
9. 502
   Kentucky
10. 502
    Kentucky - North Central (Louisville, Frankfort)
11. 503
    Oregon
12. 503
    Oregon - Northwest and Portland tri-metro
13. 504
    Louisiana
14. 504
    Louisiana - SouthEastern (New Orleans)
15. 505
    New Mexico
16. 505
    New Mexico - North Central and Northwest
17. 800
    Toll-Free Calling
18. 911
    Emergency Services Phone Number
19. R&I
    Rhode Island
20. CALIF
    California

Last updated: May 24, 2020 — Total entries: 708