Significant events for area code 704
| Date |
Details |
| 1947 | The original area code for North Carolina |
| 1954 | Area code 704 was split with 919 covering the eastern area of North Carolina |
| March 22, 1998 | Area code 704 was split with 828 covering western North Carolina |
| May 1, 2000 | Area code 980 was overlaid on 704 |