| Baeksan-myeon, Buan (백산면) |
56317, 56320, 56321, 56322, 56323 |
| Boan-myeon, Buan (보안면) |
56324, 56325, 56328, 56329, 56330 |
| Buan-eup, Buan (부안읍) |
56303, 56304, 56305, 56306, 56307, … |
| Byeonsan-myeon, Buan (변산면) |
56337, 56338, 56339, 56340, 56342, … |
| Dongjin-myeon, Buan (동진면) |
56302, 56303, 56304, 56317, 56321 |
| Gyehwa-myeon, Buan (계화면) |
56300, 56301, 56302, 56331 |
| Haengan-myeon, Buan (행안면) |
56303, 56305, 56310, 56312, 56319 |
| Haseo-myeon, Buan (하서면) |
56331, 56332, 56333 |
| Jinseo-myeon, Buan (진서면) |
56341, 56344, 56345, 56346 |
| Julpo-myeon, Buan (줄포면) |
56324, 56325, 56326 |
| Jusan-myeon, Buan (주산면) |
56319, 56320, 56327, 56328, 56336 |
| Sangseo-myeon, Buan (상서면) |
56319, 56333, 56334, 56335, 56336 |
| Wido-myeon, Buan (위도면) |
56347, 56348, 56349 |