Us phone area codes Abbreviations and Acronyms

1. 720
   Colorado - Denver & suburban overlay
2. 730
   Illinois
3. 734
   Michigan
4. 734
   Michigan - Washtenaw and Monroe counties (Ann Arbor and Ypsilanti)
5. 810
   Michigan
6. 810
   Michigan - Flint and north of Detroit
7. 847
   Illinois
8. 847
   Illinois - Chicago suburbs and Northeast corner overlay
9. 856
   New Jersey
10. 856
    New Jersey - SouthWest
11. 901
    Tennessee
12. 901
    Tennessee - Memphis and SouthWestern corner
13. 906
    Michigan
14. 906
    Michigan - Upper Peninsula
15. 916
    California
16. 925
    California
17. 937
    Ohio
18. 937
    Ohio - Dayton, Southwest Ohio
19. 938
    Alabama
20. 954
    Florida

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