| EXCHANGE | SDCA | NSD Code | Numbering Scheme |
| Adoor | Adoor | 04734 | 220-9xxx |
| Aranmula | Pathanamthitta | 0468 | 2317-2319,270xxx |
| Athikayam | Ranni | 04735 | 270-1xxx |
| Ayiroor(PTA) | Ranni | 04735 | 231,230xxx |
| Chathankary | Thiruvalla | 0469 | 2732,2737xxx |
| Chengara | Ranni | 04735 | 2349xxx |
| Chengaroor | Thiruvalla | 0469 | 2688xxx |
| Chittar | Ranni | 04735 | 255,256xxx |
| Chungappara | Thiruvalla | 0469 | 2696-7xxx |
| Edamon-RNN | Ranni | 04735 | 260,261xxx |
| Elamannur | Adoor | 04734 | 246,247xxx |
| Elanthur | Pathanamthitta | 0468 | 2360-2362,2263xxx |
| Elavumthitta | Pathanamthitta | 0468 | 2257-2259xxx |
| Ettichuvadu | Ranni | 04735 | 200,201xxx |
| Ezhamkulam | Adoor | 04734 | 240-4xxx |
| Ezhumattoor | Thiruvalla | 0469 | 2794-5xxx |
| Jandaickal | Ranni | 04735 | 206xxx |
| Kadambanadu | Adoor | 04734 | 281-4xxx |
| Kaipattoor | Pathanamthitta | 0468 | 2350-5xxx |
| Kalanjoor | Adoor | 04734 | 270-2xxx |
| Kallooppara | Thiruvalla | 0469 | 2677-8xxx |
| Kaviyoor | Thiruvalla | 0469 | 2618-9xxx |
| Kidanganoor | Pathanamthitta | 0468 | 2286-8xxx |
| Kilivayal | Adoor | 04734 | 210-3xxx |
| Kodumon | Adoor | 04734 | 280,285-7xxx |
| Konni | Pathanamthitta | 0468 | 2240-7,xxx |
| Kozhencherry | Pathanamthitta | 0468 | 2340-6,2390,2310-5, 2210-5,2279xxx |
| Kulanada | Adoor | 04734 | 260-3xxx |
| Kumbanad | Thiruvalla | 0469 | 2663-8,2720, 2763-8xxx |
| Kumbazha | Pathanamthitta | 0468 | 2333-4xxx |
| Kunnamthanam | Thiruvalla | 0469 | 2690-3xxx |
| Kuriyannur | Thiruvalla | 0469 | 2671-2xxx |
| Kuttoor | Thiruvalla | 0469 | 2614-6xxx |
| Lahai | Ranni | 04735 | 276xxx |
| Malayalapuzha | Pathanamthitta | 0468 | 2300-1xxx |
| Mallapally(UI) | Thiruvalla | 0469 | 2680-4,2780-5xxx |
| Mallasserry | Pathanamthitta | 0468 | 2335-2336xxx |
| Moozhiyar | Ranni | 04735 | 275xxx |
| Murinjakal | Pathanamthitta | 0468 | 2396-7xxx |
| Niranam | Thiruvalla | 0469 | 2610-3,2617,2710-3, 2717,2747xxx |
| Othera | Thiruvalla | 0469 | 2656-7xxx |
| Pallikkal | Adoor | 04734 | 288-9xxx |
| Pampa | Ranni | 04735 | 202-3xxx |
| Pandalam | Adoor | 04734 | 250-6xxx |
| Parakode | Adoor | 04734 | 216-7xxx |
| Pathanamthitta | Pathanamthitta | 0468 | 2220-9,2230-1, 2270-2,2320-9xxx |
| Pazhakulam | Adoor | 04734 | 237xxx |
| Peringanad | Adoor | 04734 | 230-1xxx |
| Puthuval | Adoor | 04734 | 275xxx |
| Perumthuruthy | Thiruvalla | 0469 | 2645xxx |
| Podiyadi | Thiruvalla | 0469 | 2642-3xxx |
| Pullad | Thiruvalla | 0469 | 2660-2,2669xxx |
| Punnaveli | Thiruvalla | 0469 | 2685-6xxx |
| Ranni | Ranni | 04735 | 221,223-9xxx |
| Ranni-Perinad | Ranni | 04735 | 240-1xxx |
| Sabarimala | Ranni | 04735 | 202xxx |
| Seethathode | Ranni | 04735 | 258-9xxx |
| Thadiyoor | Thiruvalla | 0469 | 2654-5xxx |
| Thannithode | Pathanamthitta | 0468 | 2382xxx |
| Thekkuthode | Pathanamthitta | 0468 | 2380xxx |
| Theodical | Thiruvalla | 0469 | 2773-5xxx |
| Thumpamon | Adoor | 04734 | 266-7xxx |
| Thiruvalla | Thiruvalla | 0469 | 2600-7,2630-1,2633-6, 2638,2700-7,2730-1,2733-6, 2738,2740-3,2745xxx |
| Thiruvalla WLL | Thiruvalla | 0469 | 2620(TLA)2621(PTA) 209(PDM)xxx |
| Vadasserikkara | Ranni | 04735 | 250-3xxx |
| Vaipur | Thiruvalla | 0469 | 2687-9xxx |
| Vallamkulam | Thiruvalla | 0469 | 2608-9xxx |
| Vallikode-KTM | Pathanamthitta | 0468 | 2305xxx |
| Vayalathala | Ranni | 04735 | 245-6xxx |
| Vechoochira | Ranni | 04735 | 265-6xxx |
| Vennikulam | Thiruvalla | 0469 | 2650-1,2750-1xxx |
