پیش شماره های ایالات متحده آمریکا:
| شهر/شهرستان یا منطقه | پیش شماره | |
|---|---|---|
| 1. | Maine | 207 |
| 2. | Maryland | 301 |
| 3. | Maryland | 667 |
| 4. | Maryland | 240 |
| 5. | Maryland | 443 |
| 6. | Maryland | 410 |
| 7. | Massachusetts | 774 |
| 8. | Massachusetts | 339 |
| 9. | Massachusetts | 978 |
| 10. | Massachusetts | 857 |
| 11. | Massachusetts | 413 |
| 12. | Massachusetts | 781 |
| 13. | Massachusetts | 351 |
| 14. | Massachusetts | 508 |
| 15. | Massachusetts | 617 |
| 16. | Michigan | 616 |
| 17. | Michigan | 231 |
| 18. | Michigan | 248 |
| 19. | Michigan | 734 |
| 20. | Michigan | 810 |
| 21. | Michigan | 906 |
| 22. | Michigan | 947 |
| 23. | Michigan | 989 |
| 24. | Michigan | 269 |
| 25. | Michigan | 313 |
| 26. | Michigan | 517 |
| 27. | Michigan | 586 |
| 28. | Minnesota | 612 |
| 29. | Minnesota | 507 |
| 30. | Minnesota | 320 |
| 31. | Minnesota | 952 |
| 32. | Minnesota | 763 |
| 33. | Minnesota | 218 |
| 34. | Minnesota | 651 |
| 35. | Mississippi | 769 |
| 36. | Mississippi | 662 |
| 37. | Mississippi | 228 |
| 38. | Mississippi | 601 |
| 39. | Missouri | 636 |
| 40. | Missouri | 417 |
| 41. | Missouri | 660 |
| 42. | Missouri | 314 |
| 43. | Missouri | 573 |
| 44. | Missouri | 816 |
| 45. | Montana | 406 |