| Postal/ZIP Codes in Bisan-Dong, Seo (노원동3가) |
41499, 41557, 41700, 41701, 41702, … |
| Postal/ZIP Codes in Ihyeon-Dong, Seo (이현동) |
41700, 41706, 41748, 41750, 41752, … |
| Postal/ZIP Codes in Jungni-Dong, Seo (중리동) |
41755, 41756, 41833, 41836, 41837, … |
| Postal/ZIP Codes in Naedang-Dong, Seo (내당동) |
41806, 41807, 41810, 41811, 41812, … |
| Postal/ZIP Codes in Pyeongni-Dong, Seo (평리동) |
41706, 41712, 41737, 41738, 41739, … |
| Postal/ZIP Codes in Sangni-Dong, Seo (상리동) |
41700, 41750, 41751 |
| Postal/ZIP Codes in Wondae-Dong 1 (Il)-Ga, Seo (원대동1가) |
41728, 41731, 41732, 41733, 41734 |
| Postal/ZIP Codes in Wondae-Dong 2 (I)-Ga, Seo (원대동2가) |
41728 |
| Postal/ZIP Codes in Wondae-Dong 3 (Sam)-Ga, Seo (원대동3가) |
41716, 41727, 41729, 41730, 41731 |