| Place | Post Code |
|---|---|
| Bangalow, Byron | 2479 |
| Billinudgel, Byron | 2483 |
| Binna Burra, Byron | 2479 |
| Booyong, Byron | 2480 |
| Broken Head, Byron | 2481 |
| Brunswick Heads, Byron | 2483 |
| Byron Bay, Byron | 2481 |
| Coopers Shoot, Byron | 2479 |
| Coorabell, Byron | 2479 |
| Eureka, Byron | 2480 |
| Ewingsdale, Byron | 2481 |
| Federal, Byron | 2480 |
| Goonengerry, Byron | 2482 |
| Hayters Hill, Byron | 2481 |
| Huonbrook, Byron | 2482 |
| Koonyum Range, Byron | 2482 |
| Main Arm, Byron | 2482 |
| McLeods Shoot, Byron | 2479 |
| Middle Pocket, Byron | 2483 |
| Montecollum, Byron | 2482 |
| Mullumbimby, Byron | 2482 |
| Mullumbimby Creek, Byron | 2482 |
| Myocum, Byron | 2481 |
| Nashua, Byron | 2479 |
| New Brighton, Byron | 2483 |
| Ocean Shores, Byron | 2483 |
| All postal codes in Richmond-Tweed | |
|---|---|
| Ballina, Richmond-Tweed | |
| Byron, Richmond-Tweed | |
| Kyogle, Richmond-Tweed | |
| Lismore, Richmond-Tweed | |
| Richmond Valley, Richmond-Tweed | |
| Tweed, Richmond-Tweed | |