| Postal/ZIP Codes in Daega-myeon, Goseong (대가면) |
52907, 52927, 52928, 52929, 52930 |
| Postal/ZIP Codes in Donghae-myeon, Goseong (동해면) |
52918, 52919, 52920, 52921, 52922 |
| Postal/ZIP Codes in Gaecheon-myeon, Goseong (개천면) |
52902, 52903, 52904 |
| Postal/ZIP Codes in Georyu-myeon, Goseong (거류면) |
52921, 52922, 52923, 52924, 52925, … |
| Postal/ZIP Codes in Goseong-eup, Goseong (고성읍) |
52912, 52924, 52929, 52930, 52931, … |
| Postal/ZIP Codes in Guman-myeon, Goseong (구만면) |
52908, 52909, 52913 |
| Postal/ZIP Codes in Hai-myeon, Goseong (하이면) |
52960, 52961, 52962, 52963 |
| Postal/ZIP Codes in Hail-myeon, Goseong (하일면) |
52955, 52956, 52957 |
| Postal/ZIP Codes in Hoehwa-myeon, Goseong (회화면) |
52909, 52913, 52914, 52915, 52916, … |
| Postal/ZIP Codes in Maam-myeon, Goseong (마암면) |
52910, 52911, 52912, 52914 |
| Postal/ZIP Codes in Samsan-myeon, Goseong (삼산면) |
52934, 52954, 52958, 52959 |
| Postal/ZIP Codes in Sangni-myeon, Goseong (상리면) |
52950, 52951, 52952, 52953 |
| Postal/ZIP Codes in Yeonghyeon-myeon, Goseong (영현면) |
52905, 52906, 52907 |
| Postal/ZIP Codes in Yeongo-myeon, Goseong (영오면) |
52900, 52901, 52902 |