PIN code 604405

Post offices (7)

• Amudur Branch Post Office

  Branch Post Office · delivery · Tiruvannamalai Division

• Kodanallur Branch Post Office

  Branch Post Office · delivery · Tiruvannamalai Division

• Nelliyankulam Branch Post Office

  Branch Post Office · delivery · Tiruvannamalai Division

• Osur Branch Post Office

  Branch Post Office · delivery · Tiruvannamalai Division

• Punnai Branch Post Office

  Branch Post Office · delivery · Tiruvannamalai Division

• Vazhur Branch Post Office

  Branch Post Office · delivery · Tiruvannamalai Division

• Marudadu Post Office

  PO · delivery · Tiruvannamalai Division · Map

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

14 villages use this PIN code

• Marudhadu · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 8,103
• Osur · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 2,867
• Kovalaivedu (Kil) · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 2,477
• Vazhur · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 1,953
• Punnai · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 1,909
• Amudur · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 1,382
• Ariyathur · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 1,195
• Nelliankulam · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 1,175
• Kodanallur · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 1,009
• Kavaniyathur · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 781
• Venmandai · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 681
• Eyipakkam · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 586
• Agaram · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 388
• Koilkuppam · Taluka: Vandavasi, Tiruvannamalai, Tamil Nadu · Pop. 144

Bank branches (2)

• Jana Small Finance Bank, Kadaisikulam · IFSC JSFB0004021
• South Indian Bank, Marudadu · IFSC SIBL0000169

Source: Reserve Bank of India IFSC list. Banks with this PIN code in their listed address.