The Hindustan Petroleum has 2 Zonal Office in Tamil Nadu State.

1 in Egmore and 2nd in Chennai

LPG-South Zone
HPCL, SZ-LPG, Thalamuthu Natarajan Bldg. P.B. No. 3045,8, Gandhi Irwin Road, Chennai, Tamil Nadu , Egmore , 600008
Ph: 044 28416174
Fax: 28533742

Retail - South Zone
HPCL, GMO SZ-Retail, Thalamuthu Natarajan Building, 4th floor, Post Box No: 3045, Gandhi Irwin Road, Chennai, Tamil Nadu , Chennai , 600008
Ph: 044 28512005 28415399 28512004 28410317
Fax: 28535549

Regional Office of HPCL in Chennai:
Chennai LPG RO
HPCL, Chennai LPG RO, Petro Bhavan, 3rd Floor, New No.82,
TTK Road, Alwarpet , Tamil Nadu ,
Chennai , Chennai , 600018
Ph: 044 24988511 24988506

South Zone- LPG SBU
HPCL, Thalamuthu Natarajan Bldg. P.B. No. 3045,8,
Gandhi Irwin Road, , Tamil Nadu , Chennai , Chennai , 600008
Ph: 044 28416174
Fax: 28533742

LPG Customer Service Cell
CHENNAI
HP GAS Customer Service Cell, HPCL, Petro Bhavan,
3rd Floor, New No.82 (Old # 47), T.T.K. Road, Alwarpet ,
Chennai , Tamil Nadu , Chennai , 600018
Ph: 044-24985153, 044-24999532 044-24999541