PIN Code

600099 – Kolathur S.O

2 post offices share PIN Code 600099 in Tiruvallur, Tamil Nadu.

Post office	Type	Delivery	Division / Region / Circle
Kolathur S.O Taluk: Ambattur	Sub Office	Delivery	Tambaram / Chennai Region / Tamilnadu
Lakshmipuram B.O Taluk: Ambattur	Branch Office	Non-Delivery	Tambaram / Chennai Region / Tamilnadu

Other PIN Codes in Tiruvallur

600019 600037 600049 600050 600051 600052 600053 600054 600055 600056 600057 600058 600060 600062 600065 600066 600067 600068 600071 600072 600076 600077 600087 600095

Source: India Post – All India Pincode Directory (data.gov.in, GODL-India), retrieved 11 Oct 2026. Postal details can change – confirm with India Post for official purposes.