PIN Code

600101 – Anna Nagar Western Extn S.O

1 post office uses PIN Code 600101 in Chennai, Tamil Nadu.

Post office	Type	Delivery	Division / Region / Circle
Anna Nagar Western Extn S.O Taluk: Ambattur	Sub Office	Delivery	Chennai City North / Chennai Region / Tamilnadu

Other PIN Codes in Chennai

600001 600002 600003 600004 600005 600006 600007 600008 600009 600010 600011 600012 600013 600014 600015 600017 600018 600020 600021 600022 600023 600024 600025 600026

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.