6637 Green bus · Noonsa-dong Bus Depot ↔ Seoul Kyongin Elementary School & Mokdong Apt. 5-, 6-danji Sait-gil
Bus 6637 (Green bus): Noonsa-dong Bus Depot ↔ Seoul Kyongin Elementary School & Mokdong Apt. 5-, 6-danji Sait-gil. Every 8 min on weekdays · First 04:30 · Last 23:10 (from the first stop). Stop numbers, direction and next stop.