Significant events for area code 809
| Date |
Details |
| 1958 | The original area codes for ALL of the Caribbean countries in the North American Numbering Plan. |
| 1996 | Area code 809 was split with each Caribbean country receiving its own area code, leaving Dominican Republic the only country with 809. The details of these splits are shown below. |
| January 31, 2005 | Area code 829 was overlaid on 809. |
| July 1, 2009 | Area code 849 was overlaid on 809 and 829 . |
| New Area Code |
Country (Year Activated) |
| 242 | Bahamas (1996) |
| 246 | Barbados (1996) |
| 264 | Anguilla (1997) |
| 268 | Antigua & Barbuda (1996) |
| 284 | British Virgin Islands (1997) |
| 340 | U.S. Virgin Islands (1997) |
| 345 | Cayman Islands (1996) |
| 441 | Bermuda (1995) |
| 473 | Grenada / Carriacou / Petitte Martinique (1997) |
| 649 | Turks & Caicos (1997) |
| 664 | Montserrat (1996) |
| 758 | St. Lucia (1996) |
| 767 | Dominica (1997) |
| 784 | St. Vincent & the Granadines (1998) |
| 787 | Puerto Rico (1996) |
| 868 | Trinidad & Tobago (1997) |
| 869 | St. Kitts & Nevis (1996) |
| 876 | Jamaica (1997) |