| Locality | Postal Code |
|---|---|
| Akabane (北区) | 115-0045 |
| Akabanedai (北区) | 115-0053 |
| Akabanekita (北区) | 115-0052 |
| Akabaneminami (北区) | 115-0044 |
| Akabanenishi (北区) | 115-0055 |
| Higashijujo (北区) | 114-0001 |
| Higashitabata (北区) | 114-0013 |
| Horifune (北区) | 114-0004 |
| Iwabuchimachi (北区) | 115-0041 |
| Jujodai (北区) | 114-0033 |
| Jujonakahara (北区) | 114-0031 |
| Kamijujo (北区) | 114-0034 |
| Kaminakazato (北区) | 114-0016 |
| Kamiya (北区) | 115-0043 |
| Kirigaoka (北区) | 115-0054 |
| Kishimachi (北区) | 114-0021 |
| Nakajujo (北区) | 114-0032 |
| Nakazato (北区) | 114-0015 |
| Nishigahara (北区) | 114-0024 |
| Nishigaoka (北区) | 115-0056 |
| Oji (北区) | 114-0002 |
| Ojihoncho (北区) | 114-0022 |
| Others (北区) | 114-0000 |
| Sakaecho (北区) | 114-0005 |
| Shimo (北区) | 115-0042 |
| Showamachi (北区) | 114-0011 |