Post Offices
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Akkaraivattam Branch office
Pincode: 609604
Ambagarathur Sub-Office
Phone : 04368-251534
Pincode: 609601
Dharmapuram Branch office
Pincode: 609602
Karaikal Bazaar Sub-Office
Pincode: 609602
Karaikal South Sub-Office
Pincode: 609602
Karaikal Sub-Office
Phone : 04368-222419
Pincode: 609602
Karaikalmedu Branch Office
Pincode: 609605
Karaikoilpathu Branch Office
Pincode: 609605
Karukkangudi Branch Office
Pincode: 609607
Kottucherry Sub-Office
Pincode: 609609