Us phone area codes Abbreviations and Acronyms

  1. 616
    Michigan
  2. 616
    Michigan - Western
  3. 617
    Massachusetts
  4. 617
    Massachusetts - Eastern
  5. 618
    Illinois
  6. 618
    Illinois - Southern
  7. 627
    California
  8. 627
    California - not currently active
  9. 628
    California
  10. 628
    California - Saan Francisco future overlay - not currently active
  11. 630
    Puerto Rico
  12. 630
    Illinois
  13. 630
    Illinois - Chicago suburbs
  14. 636
    Missouri
  15. 636
    Missouri - East Central outside of St. Louis
  16. 641
    Iowa
  17. 657
    California
  18. 657
    California - Northern Orange County overlay
  19. 659
    Alabama
  20. 659
    Alabama - Central overlay - not currently active

Last updated: — Total entries: 708