| S.No. | DISTRICT | HUD | Block | RD Block | PHC | TYPE |
| 1 | Tirunelveli | Tirunelveli | Ambasamudram | Ambasamudram | Ambasamudram | Urban PHC |
| 2 | Tirunelveli | Tirunelveli | Kadayam | Kadayam | Kadayam | Upgraded Block PHC |
| 3 | Tirunelveli | Tirunelveli | Kadayam | Kadayam | Koviloothu | Addl. PHC |
| 4 | Tirunelveli | Tirunelveli | Kadayam | Kadayam | Vadakupappankulam | Addl. PHC |
| 5 | Tirunelveli | Tirunelveli | Mukkudal | Pappakudi | Idaikkal | Addl. PHC |
| 6 | Tirunelveli | Tirunelveli | Mukkudal | Pappakudi | Maruthamputhur | Addl. PHC |
| 7 | Tirunelveli | Tirunelveli | Mukkudal | Pappakudi | Mukkudal | Upgraded Block PHC |
| 8 | Tirunelveli | Tirunelveli | Munanjipatti | Nanguneri | Ittamozhi | Addl. PHC |
| 9 | Tirunelveli | Tirunelveli | Munanjipatti | Nanguneri | Moolakaraipatti | Addl. PHC |
| 10 | Tirunelveli | Tirunelveli | Munanjipatti | Nanguneri | Munanjipatti | Upgraded Block PHC |
| 11 | Tirunelveli | Tirunelveli | Munanjipatti | Nanguneri | Therkuvijaya N.Puram | Addl. PHC |
| 12 | Tirunelveli | Tirunelveli | Munanjipatti | Nanguneri | Tiruvenkatanathapuram | Addl. PHC |
| 13 | Tirunelveli | Tirunelveli | Pattamadai | Cheranmadevi | Kallidaikurichi | Addl. PHC |
| 14 | Tirunelveli | Tirunelveli | Pattamadai | Cheranmadevi | Karisalpatti | Upgraded PHC |
| 15 | Tirunelveli | Tirunelveli | Pattamadai | Cheranmadevi | Pattamadai | Upgraded Block PHC |
| 16 | Tirunelveli | Tirunelveli | Pattamadai | Cheranmadevi | Viravanallur | Addl. PHC |
| 17 | Tirunelveli | Tirunelveli | Reddiarpatti | Palayamkottai | BarkitmaNagar | Addl. PHC |
| 18 | Tirunelveli | Tirunelveli | Reddiarpatti | Palayamkottai | Keelanatham | Addl. PHC |
| 19 | Tirunelveli | Tirunelveli | Reddiarpatti | Palayamkottai | Mela Thiruvenkadanathapuram | Addl. PHC |
| 20 | Tirunelveli | Tirunelveli | Reddiarpatti | Palayamkottai | Muneerpallam | Addl. PHC |
| 21 | Tirunelveli | Tirunelveli | Reddiarpatti | Palayamkottai | Rajavallipuram | Addl. PHC |
| 22 | Tirunelveli | Tirunelveli | Reddiarpatti | Palayamkottai | Reddiarpatti | Upgraded Block PHC |
| 23 | Tirunelveli | Tirunelveli | Reddiarpatti | Palayamkottai | Thatchanallur | Addl. PHC |
| 24 | Tirunelveli | Tirunelveli | Thirukurangudi | Kalakadu | Erwadi | Addl. PHC |
| 25 | Tirunelveli | Tirunelveli | Thirukurangudi | Kalakadu | Meladevanallur | Addl. PHC |
| 26 | Tirunelveli | Tirunelveli | Thirukurangudi | Kalakadu | Singikulam | Addl. PHC |
| 27 | Tirunelveli | Tirunelveli | Thirukurangudi | Kalakadu | Thirukurangudi | Upgraded Block PHC |
| 28 | Tirunelveli | Tirunelveli | Tirunelveli Corp. | Tirunelveli Corp | Palayamkottai | Urban PHC |
| 29 | Tirunelveli | Tirunelveli | Tirunelveli Corp. | Tirunelveli Corp | Palayapettai | Urban PHC |
| 30 | Tirunelveli | Tirunelveli | Tirunelveli Corp. | Tirunelveli Corp | Kokkirakulam | Urban PHC |
| 31 | Tirunelveli | Tirunelveli | Tirunelveli Corp. | Tirunelveli Corp | Perumalpuram | Urban PHC |
| 32 | Tirunelveli | Tirunelveli | Tirunelveli Corp. | Tirunelveli Corp | Melaveerarahavapuram | Urban PHC |
| 33 | Tirunelveli | Tirunelveli | Tirunelveli Corp. | Tirunelveli Corp | Pattapathu | Urban PHC |
| 34 | Tirunelveli | Tirunelveli | Tirunelveli Corp. | Tirunelveli Corp | Samathanapuram | Urban PHC |
| 35 | Tirunelveli | Tirunelveli | Tirunelveli Corp. | Tirunelveli Corp | Pettai | Urban PHC |
| 36 | Tirunelveli | Tirunelveli | Tirunelveli Corp. | Tirunelveli Corp | Melapalayam | Urban PHC |
| 37 | Tirunelveli | Tirunelveli | Tisayanvillai | Radhapuram | Kallikulam.T | Addl. PHC |
| 38 | Tirunelveli | Tirunelveli | Tisayanvillai | Radhapuram | Navvaladi | Addl. PHC |
| 39 | Tirunelveli | Tirunelveli | Tisayanvillai | Radhapuram | Tisayanvillai | Upgraded Block PHC |
| 40 | Tirunelveli | Tirunelveli | Tisayanvillai | Radhapuram | Uvari | Addl. PHC |
| 41 | Tirunelveli | Tirunelveli | Ukkirankottai | Manur | Gangaikondan | Addl. PHC |
| 42 | Tirunelveli | Tirunelveli | Ukkirankottai | Manur | Kallur | Upgraded PHC |
| 43 | Tirunelveli | Tirunelveli | Ukkirankottai | Manur | Manur | Addl. PHC |
| 44 | Tirunelveli | Tirunelveli | Ukkirankottai | Manur | Ukkirankottai | Upgraded Block PHC |
| 45 | Tirunelveli | Tirunelveli | Vadakkankulam | Valliyoor | Chettikulam | Addl. PHC |
| 46 | Tirunelveli | Tirunelveli | Vadakkankulam | Valliyoor | Palavoor | Addl. PHC |
| 47 | Tirunelveli | Tirunelveli | Vadakkankulam | Valliyoor | Panagudi | Upgraded PHC |
| 48 | Tirunelveli | Tirunelveli | Vadakkankulam | Valliyoor | Sankarapuram | Addl. PHC |
| 49 | Tirunelveli | Tirunelveli | Vadakkankulam | Valliyoor | Thulukarpatti | Addl. PHC |
| 50 | Tirunelveli | Tirunelveli | Vadakkankulam | Valliyoor | Vadakkankulam | Block Main PHC |
| 51 | Tirunelveli | Tirunelveli | Vairavikulam | Ambasamudram | Agasthiarpatti | Addl. PHC |
| 52 | Tirunelveli | Tirunelveli | Vairavikulam | Ambasamudram | Manimuthar | Addl. PHC |
| 53 | Tirunelveli | Tirunelveli | Vairavikulam | Ambasamudram | Mannarkoil | Addl. PHC |
| 54 | Tirunelveli | Tirunelveli | Vairavikulam | Ambasamudram | Vairavikulam | Upgraded Block PHC |