OK Siam Service Co Ltd

Cover area

3 Province(s) include Bangkok, Nonthaburi, Pathum Thani

10 District(s)

41 Subdistrict(s)

Cover area

2 Province(s) include Nonthaburi, Pathum Thani

8 District(s)

42 Subdistrict(s)

Cover area

2 Province(s) include Pathum Thani, Phra Nakhon Si Ayutthaya

11 District(s)

115 Subdistrict(s)

Cover area

4 Province(s) include Bangkok, Nonthaburi, Pathum Thani, Samut Prakarn

48 District(s)

163 Subdistrict(s)