The Area Codes of United States of America:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Tennessee | 931 (+1 931) |
| 2. | Tennessee | 423 (+1 423) |
| 3. | Tennessee | 629 (+1 629) |
| 4. | Tennessee | 901 (+1 901) |
| 5. | Tennessee | 615 (+1 615) |
| 6. | Tennessee | 865 (+1 865) |
| 7. | Tennessee | 731 (+1 731) |
| 8. | Texas | 737 (+1 737) |
| 9. | Texas | 806 (+1 806) |
| 10. | Texas | 817 (+1 817) |
| 11. | Texas | 512 (+1 512) |
| 12. | Texas | 832 (+1 832) |
| 13. | Texas | 903 (+1 903) |
| 14. | Texas | 915 (+1 915) |
| 15. | Texas | 940 (+1 940) |
| 16. | Texas | 956 (+1 956) |
| 17. | Texas | 972 (+1 972) |
| 18. | Texas | 979 (+1 979) |
| 19. | Texas | 936 (+1 936) |
| 20. | Texas | 281 (+1 281) |
| 21. | Texas | 325 (+1 325) |
| 22. | Texas | 346 (+1 346) |
| 23. | Texas | 361 (+1 361) |
| 24. | Texas | 713 (+1 713) |
| 25. | Texas | 682 (+1 682) |
| 26. | Texas | 254 (+1 254) |
| 27. | Texas | 214 (+1 214) |
| 28. | Texas | 210 (+1 210) |
| 29. | Texas | 469 (+1 469) |
| 30. | Texas | 432 (+1 432) |
| 31. | Texas | 430 (+1 430) |
| 32. | Texas | 409 (+1 409) |
| 33. | Texas | 830 (+1 830) |