• Old Suraj Nagari - 152116
• Old Survey Road - 248001
• Old Tehsil Road - 152116
• Old Town - 392001
• Old Town - 751006
• Old Vijay Nagar - 282003
• Old Washemenpet - 600013
• Old Washermanpet - 600013
• Old-Double-Storey - 110024
• Old-Govind-Pura - 110051
• Old-Gupta-Colony - 110007
• Old-Rajinder-Nagar - 110060
• Old-Rajinder-Nager - 110060
• Old-Roshanpura - 110043
• Oldperungalathur Kurunji Nager - 600045
• Oldperungalathur Parvathy Nager - 600045
• Oldperungalthur Vivek Nager - 600045
• Olimugal - 682030
• Ollukkara - 680005
• Olymbiya Grand Apartment Pallavaram - 600075