PIN code 631206

Post offices (4)

• Buchireddipalli Branch Post Office

  Branch Post Office · delivery · Kanchipuram Division · Map

• Krishnasamudram Branch Post Office

  Branch Post Office · delivery · Kanchipuram Division · Map

• Ramasamudram Branch Post Office

  Branch Post Office · delivery · Kanchipuram Division · Map

• Madduru Post Office

  PO · delivery · Kanchipuram Division · Map

Source: Department of Posts, All India Pincode Directory (data.gov.in, GODL-India), as of 3 Oct 2025.

6 villages use this PIN code

• Krishnasamudram · Taluka: Tiruttani, Thiruvallur, Tamil Nadu · Pop. 7,157
• Maddur · Taluka: Tiruttani, Thiruvallur, Tamil Nadu · Pop. 7,126
• Ramasamudram · Taluka: Pallipattu, Thiruvallur, Tamil Nadu · Pop. 1,769
• Krishnasamudram B · கிருஷ்ணசமுத்திரம் · Taluka: Tiruttani, Thiruvallur, Tamil Nadu
• Madam · மடம் · Taluka: Tiruttani, Thiruvallur, Tamil Nadu
• Maddur B · மத்தூர் பி · Taluka: Tiruttani, Thiruvallur, Tamil Nadu