| Locality | Post Code |
|---|---|
| Caohu, Beigang (草湖里) | 651008 |
| Cifu, Beigang (賜福里) | 651003, 651004 |
| Dabei, Beigang (大北里) | 651009 |
| Datong, Beigang (大同里) | 651000 |
| Donghua, Beigang (東華里) | 651000 |
| Dongyang, Beigang (東陽里) | 651003 |
| Fangou, Beigang (番溝里) | 651008 |
| Fuchao, Beigang (扶朝里) | 651010 |
| Fufan, Beigang (府番里) | 651012 |
| Gongguan, Beigang (公舘里) | 651000 |
| Gongrong, Beigang (共榮里) | 651003 |
| Gouzao, Beigang (溝皂里) | 651008 |
| Guangfu, Beigang (光復里) | 651002 |
| Guangmin, Beigang (光民里) | 651000 |
| Haoshou, Beigang (好收里) | 651009 |
| Hougou, Beigang (後溝里) | 651006 |
| Huasheng, Beigang (華勝里) | 651001, 651005, 651006, 651007 |
| Liucuo, Beigang (劉厝里) | 651009 |
| Nanan, Beigang (南安里) | 651002, 651003, 651004 |
| Renan, Beigang (仁安里) | 651002, 651004 |
| Renhe, Beigang (仁和里) | 651000 |
| Shuibu, Beigang (水埔里) | 651010 |
| Shujiao, Beigang (樹腳里) | 651006, 651007, 651011 |
| Xincuo, Beigang (新厝里) | 651012 |
| Xinjie, Beigang (新街里) | 651001, 651005, 651006, 651007, 651009, … |
| Xishi, Beigang (西勢里) | 651002 |