| Postal/ZIP Codes in Bibong-myeon, Wanju (비봉면) |
55305, 55306, 55307, 55308 |
| Postal/ZIP Codes in Bongdong-eup, Wanju (봉동읍) |
55313, 55314, 55315, 55316, 55317, … |
| Postal/ZIP Codes in Dongsang-myeon, Wanju (동상면) |
55310, 55344, 55345 |
| Postal/ZIP Codes in Gosan-myeon, Wanju (고산면) |
55307, 55308, 55310, 55311, 55312 |
| Postal/ZIP Codes in Gui-myeon, Wanju (구이면) |
55361, 55362, 55363 |
| Postal/ZIP Codes in Gyeongcheon-myeon, Wanju (경천면) |
55302 |
| Postal/ZIP Codes in Hwasan-myeon, Wanju (화산면) |
55303, 55304, 55305, 55308, 55309 |
| Postal/ZIP Codes in Iseo-myeon, Wanju (이서면) |
55364, 55365, 55366, 55367, 55368 |
| Postal/ZIP Codes in Samnye-eup, Wanju (삼례읍) |
55332, 55333, 55334, 55335, 55336, … |
| Postal/ZIP Codes in Sanggwan-myeon, Wanju (상관면) |
55302, 55358, 55359, 55360 |
| Postal/ZIP Codes in Soyang-myeon, Wanju (소양면) |
55346, 55347, 55348, 55355, 55356, … |
| Postal/ZIP Codes in Unju-myeon, Wanju (운주면) |
55300, 55301, 55302 |
| Postal/ZIP Codes in Yongjin-eup, Wanju (용진읍) |
55349, 55350, 55351, 55352, 55353, … |