Tamilnadu STD Codes
| Places | STD Codes | Places | STD Codes |
|---|---|---|---|
| Coimbatore District | |||
| Anaimalai | 0 - 4253 | Coimbatore | 0 - 422 |
| Mettupalayam | 0 - 4254 | Pollachi | 0 - 4259 |
| Udamalpet | 0 - 4252 | Avanasi | 0 - 4259 |
| Karamadai | 0 - 4254 | Palladam | 0 - 4255 |
| Tirupur | 0 - 421 | Valparai | 0 - 4253 |
| Chennai | |||
| Chennai City | 0 - 44 | - | - |
| Cuddalore District | |||
| Cuddalore | 0 - 4142 | Chidambaram | 0 - 4144 |
| Panruti | 0 - 4142 | Vridachalam | 0 - 4143 |
| Neiveli | 0 - 4142 | Thittakudi | 0 - 4143 |
| Dharmapuri District | |||
| Harur | 0 - 4346 | Hosur | 0 - 4344 |
| Krishnagiri | 0 - 4343 | Palacode | 0 - 4348 |
| Uthangarai | 0 - 4341 | - | - |
| Dindugal District | |||
| Ayyalur | 0 - 4551 | Dindugal | 0 - 451 |
| Kodaikanal | 0 - 4542 | Natham | 0 - 4544 |
| Palani | 0 - 4541 | Vedasanthur | 0 - 4551 |
| Ayyampalayam | 0 - 4543 | Kujiliamparai | 0 - 4551 |
| Nilakottai | 0 - 4543 | Oddanchatram | 0 - 4553 |
| Thuvarankurichi | 0 - 4332 | - | - |
| Erode District | |||
| Bhavani | 0 - 4258 | Dharapuram | 0 - 4258 |
| Gobi | 0 - 4285 | Kodumudi | 0 - 4204 |
| Sathyamangalam | 0 - 4295 | Chennimalai | 0 - 4295 |
| Erode | 0 - 424 | Kangayam | 0 - 4257 |
| Perundurai | 0 - 4294 | Uthukuli | 0 - 4294 |
| Kanchipuram District | |||
| Chingleput | 0 - 4114 | Maduranthagam | 0 - 4115 |
| Thirukalukundram | 0 - 4113 | Vedanthangal | 0 - 4114 |
| Kanchipuram | 0 - 4112 | Mahalingapuram | 0 - 4114 |
| Uthiramerur | 0 - 4112 | - | - |
| Karur District | |||
| Aravakurichi | 0 - 4320 | Kulithalai | 0 - 4323 |
| Vellakoil | 0 - 4257 | Karur | 0 - 4324 |
| Pallapatti | 0 - 4320 | - | - |
| Nagapattinam District | |||
| Athiramapatnam | 0 - 4373 | Nagore | 0 - 4365 |
| Seerkali | 0 - 4364 | Vedaranyam | 0 - 4369 |
| Thirumangalam | 0 - 4549 | Nagapattinam | 0 - 4365 |
| Poompuhar | 0 - 4364 | Vellankanni | 0 - 4365 |
| Cumbum | 0 - 4554 | - | - |
| Namakkal District | |||
| Namakkal | 0 - 4286 | Tiruchengode | 0 - 4288 |
| Rasipuram | 0 - 4287 | Vellore | 0 - 4268 |
| Nilgiri District | |||
| Coonoor | 0 - 423 | Kothagiri | 0 - 4266 |
| Gudlur | 0 - 4262 | Ooty | 0 - 423 |
| Perambalur District | |||
| Andimadam | 0 - 4331 | Ariyalur | 0 - 4329 |
| Perambalur | 0 - 4328 | Alathur | 0 - 4922 |
| Jayankondam | 0 - 4331 | - | - |
| Places | STD Codes | Places | STD Codes |
|---|---|---|---|
| Trichy District | |||
| Lalgudi | 0 - 43197 | Tiruchirapalli | 0 - 431 |
| Uppiliapuram | 0 - 4327 | Musiri | 0 - 4326 |
| Thuraiyur | 0 - 4327 | Manaparai | 0 - 4332 |
| Salem District | |||
| Athur | 0 - 4282 | Mettur | 0 - 4298 |
| Sankagiri | 0 - 4283 | Tharamangalam | 0 - 4290 |
| Vazhapadi | 0 - 4292 | Kuiathur | 0 - 4298 |
| Omalur | 0 - 4290 | Salem | 0 - 427 |
| Thalaivasal | 0 - 4282 | Yerkaud | 0 - 4281 |
| Tanjore District | |||
| Kumbakonam | 0 - 435 | Orathanad | 0 - 4372 |
| Pattukottai | 0 - 4373 | Tanjore | 0 - 4362 |
| Thirukattupalli | 0 - 4362 | Mayiladuthurai | 0 - 4364 |
| Papanasam | 0 - 4374 | Buthalur | 0 - 4362 |
| Thiruvaiyaru | 0 - 4362 | Vallam | 0 - 4362 |
| Viralimalai | 0 - 4339 | - | - |
| Theni District | |||
| Andipatti | 0 - 4546 | Cumbam | 0 - 4554 |
| Bodi | 0 - 4546 | Uthamapalayam | 0 - 4554 |
| Chinnamanur | 0 - 4554 | Periyakulam | 0 - 4546 |
| Theni | 0 - 4546 | Vathalagundu | 0 - 4543 |
| Thiruvallur District | |||
| Gummidipoondi | 0 - 4119 | Thiruthani | 0 - 4118 |
| Thiruvallur | 0 - 4116 | - | - |
| Thiruvannamalai District | |||
| Arani | 0 - 4173 | Thiruvannamalai | 0 - 4175 |
| Pollur | 0 - 4181 | Vandavasi | 0 - 4183 |
| Thiruvaroor District | |||
| Kudavasal | 0 - 4366 | Nannilam | 0 - 4366 |
| Thiruthuraipoondi | 0 - 4369 | Mannargudi | 0 - 4367 |
| Thiruvaroor | 0 - 4366 | Thiruvidaimarudur | 0 - 435 |
| Vellore District | |||
| Ambur | 0 - 4174 | Gudiyatham | 0 - 4171 |
| Thirupathur | 0 - 4179 | Valajapettai | 0 - 4174 |
| Arakonam | 0 - 4177 | Ranipettai | 0 - 4172 |
| Vaniambadi | 0 - 4174 | Vellore | 0 - 416 |
| Villupuram District | |||
| Chinna Salem | 0 - 4151 | Thirukoilur | 0 - 4153 |
| Ulundurpet | 0 - 4149 | Senji | 0 - 4145 |
| Kallakurichi | 0 - 4151 | Dindivanam | 0 - 4147 |
| Villupuram | 0 - 4146 | - | - |
| Virudunagar District | |||
| Sri Villiputhur | 0 - 4563 | Arupukottai | 0 - 4566 |
| Sivakasi | 0 - 4562 | Virudunagar | 0 - 4562 |
| Sivagangai District | |||
| Karaikudi | 0 - 4565 | Devakottai | 0 - 4561 |
| Thirupathur | 0 - 4577 | Manamadurai | 0 - 4574 |
| Sivagangai | 0 - 4575 | Paramakudi | 0 - 4564 |
| Tuticorin District | |||
| Tuticorin | 0 - 461 | Vilathikulam | 0 - 4638 |
| Thiruchendur | 0 - 4639 | Kovilpatti | 0 - 4632 |
| SriVaikundam | 0 - 4630 | - | - |
| Thirunelveli District | |||
| Sankaran Koil | 0 - 4636 | Thirunelveli | 0 - 462 |
| Thenkasi | 0 - 4633 | Ambasamuthiram | 0 - 4634 |
| Valliyur | 0 - 4637 | Nanguneri | 0 - 4635 |