| Prefix | BU | Island |
|---|---|---|
| 242 | BAH | Bahamas |
| 246 | BAR | Barbados |
| 264 | Anguilla | |
| 268 | Antigua | |
| 284 | BVI | British Virgin Islands |
| 345 | CAY | Cayman Islands |
| 473 | Grenada | |
| 649 | TCA | Turks and Caicos Islands |
| 664 | Montserrat | |
| 758 | St. Lucia | |
| 767 | DOM | Dominica |
| 784 | SVG | St. Vincent and the Grenadines |
| 869 | SKN | St. Kitts and Nevis |
| 876 & 658 | JAM | Jamaica |