Tamil Nadu state all pin code and postal code list THANJAVUR KANCHIPURAM CHENGALPATTU KRISHNAGIRI RAMANATHAPURAM Ariyalur THIRUVALLUR NAGAPATTINAM THENI COIMBATORE CUDDALORE VILLUPURAM DHARMAPURI KANNIYAKUMARI DINDIGUL MADURAI VIRUDHUNAGAR CHENNAI TIRUCHIRAPPALLI TIRUNELVELI THE NILGIRIS TUTICORIN MAYILADUTHURAI THIRUVARUR KALLAKURICHI TENKASI TIRUPPUR NAMAKKAL VELLORE PUDUKKOTTAI PERAMBALUR SIVAGANGA TIRUVANNAMALAI Tirupathur Ranipet ERODE SALEM KARUR