Significant events for area code 407
| Date |
Details |
| April 16, 1988 | Area code 305 was split with 407 covering the eastern area, from Palm Beach County north and the greater Orlando metro area. |
| May 13, 1996 | Area code 407 was split with 561 covering Palm Beach County. |
| October, 2000 | Area code 407 was split with 321 covering Brevard County exclusively but also an overlay for most of 407. |
| February 15, 2001 | Deltona and DeBary were split off into 386. |
| June, 2019 | Area code 407 was overlaid with 689. |