| SDCA |
STD Code |
| Attingal |
0470 |
| Nedumangad |
0472 |
| Trivandrum |
0471 |
Kollam
| SDCA |
STD Code |
| Karunagapally |
0476 |
| Punalur |
0475 |
| Kollam |
0474 |
| SDCA |
STD Code |
| Thiruvalla |
0469 |
| Pathanamthitta |
0468 |
| Adoor |
04734 |
| Ranni |
04735 |
| SDCA |
STD Code |
| Alleppey |
0477 |
| Mavelikkara |
0479 |
| Shertallai |
0478 |
Kottayam
| SDCA |
STD Code |
| Palai |
04822 |
| Kottayam |
0481 |
| Vaikom |
04829 |
| Kanjirappally |
04828 |
Ernakulam
| SDCA |
STD Code |
|
Adimali |
04864 |
| Ernakulam |
0484 |
| Muvattupuzha |
0485 |
| Munnar |
04865 |
| Peermade |
04869 |
| Nedumgandom |
04868 |
Thodupuzha |
04862 |
Thrissur
| SDCA |
STD Code |
| Irinjalakuda |
0480 |
| Trichur |
0487 |
| Kunnamkulam |
04885 |
| Vadakkancherry-CN |
04884 |
Palakkad
| SDCA |
STD Code |
| Alathur |
04922 |
| Mannarghat |
04924 |
| Palghat |
0491 |
| Koduvayur |
04923 |
| Shoranur |
0466 |
Malappuram
| SDCA |
STD Code |
| Manjeri |
0483 |
| Nilambur |
04931 |
| Perinthalmanna |
04933 |
| Tirur |
0494 |
Kozhikkode
| SDCA |
STD Code |
| Calicut |
0495 |
| Badagara |
0496 |
| Mananthody |
04935 |
| Kalpetta |
04936 |
| SDCA |
STD Code |
| Kannur |
0497 |
| Payyannur |
04985 |
| Thaliparamba |
0460 |
| Kanhangad |
0467 |
| Kasargode |
04994 |
| Tellicherry |
0490 |
| Uppalam |
04998 |