| Postal Code information | |
|---|---|
| Place | Gojan-Dong (고잔동) |
| Post Code | 15261, 15262, 15263, 15264, 15271, 15272, 15332, 15333, 15334, 15335, 15336, 15337, 15338, 15339, 15340, 15341, 15342, 15343, 15344, 15345, 15346, 15347, 15348, 15349, 15350, 15351, 15352, 15353, 15354, 15355, 15356, 15357, 15358, 15359, 15360, 15361, 15362, 15458, 15459, 15460, 15461, 15462, 15463, 15464, 15465, 15466, 15467, 15468, 15469, 15470, 15471, 15472, 15473, 15474, 15475, 15476, 15477, 15478, 15479, 15480, 15481, 15482, 15483, 15484, 15485 |
| County | Ansan - Danwon |
| State | Gyeonggi |
| Time zone | Asia/Seoul |