Chennai General Post Office (GPO) is located on Rajaji Salai, Chennai. It functions in a 116 year old building. Chennai General Post Office operates from 08:00 to 20:30 hrs from Monday to Saturday. On Sundays the GPO functions 10:00-17:00 hrs. Facilities available are speed post, registered post, parcel, insurance, e-billing, and e-posting. Chennai GPO has a 24 hour telegraph office.