區域清單
- 21321 - Tanjungbalai Utara, Tanjung Balai, North Sumatra
- 21322 - Tanjungbalai Utara, Tanjung Balai, North Sumatra
- 21323 - Tanjungbalai Utara, Tanjung Balai, North Sumatra
- 21324 - Tanjungbalai Utara, Tanjung Balai, North Sumatra
- 21325 - Tanjungbalai Utara, Tanjung Balai, North Sumatra