Telephone numbers in Christmas Island
Telephone numbers in Christmas Island use ranges owned by Australia.
Format +61 8 9164 XXXX
Christmas Island numbers used the +672 country code until 1994, when they were migrated to +61.
| Date | Number | Country code |
| pre-1994 | 2345 | +672 |
| 1994–1997 | 64 2345 | +61 |
| 1997–now | 9164 2345 | +61 |