| Postal Code information | |
|---|---|
| Place | Naeseo-eup (내서읍) |
| Post Code | 51211, 51212, 51213, 51214, 51215, 51216, 51217, 51218, 51219, 51220, 51221, 51222, 51223, 51224, 51225, 51226, 51227, 51228, 51229, 51230, 51231, 51232, 51233, 51234, 51235, 51236, 51237, 51238, 51239, 51240, 51241, 51242, 51243, 51244, 51245, 51246, 51247, 51248, 51249, 51250 |
| County | Masanhoewon |
| State | South Gyeongsang |
| Time zone | Asia/Seoul |