Telephone area code Abbreviations and Acronyms

1. 310
   California
2. 310
   California - Los Angeles
3. 312
   Illinois
4. 312
   Illinois - Chicago
5. 315
   New York
6. 315
   New York - North Central
7. 317
   Indiana
8. 317
   Indiana - Central
9. 318
   Louisiana
10. 318
    Louisiana - Western
11. 319
    Iowa
12. 319
    Iowa - Eastern
13. 320
    Minnesota
14. 321
    Florida
15. 323
    California
16. 323
    California - Los Angeles
17. 325
    Texas
18. 330
    Ohio
19. 330
    Ohio - Eastern
20. 331
    Illinois

Last updated: May 24, 2020 — Total entries: 745