| City/Town/Village | State/UT/Region | Company | Technology | Customer Care Nos. |
| Tada | Andhra Pradesh | Airtel | GSM | 9849012345 |
| Tadapalligudem | Andhra Pradesh | HUTCH | GSM | 9885000111 |
| Tadepalle | Andhra Pradesh | Airtel | GSM | 9849012345 |
| Tadepalligudem | Andhra Pradesh | IDEA Cellular | GSM | 9848012345 |
| Airtel | GSM | 9849012345 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Tadikalapudi | Andhra Pradesh | Airtel | GSM | 9849012345 |
| Tadipatri | Andhra Pradesh | IDEA Cellular | GSM | 9848012345 |
| Airtel | GSM | 9849012345 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Talamhat | West Bengal | Airtel | GSM | 9832098320 |
| Talcher | Orissa | Airtel | GSM | 9864098640 |
| Reliance Telecom | GSM | 9861098610 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Talegaon | Maharashtra / Goa | BPL Cellular | GSM | 9823099800 |
| IDEA Cellular | GSM | 9822012345 | ||
| Airtel | GSM | 9890012345 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Tallapalem | hw | Tata Indicom | CDMA | 9210008282 |
| Talwan | Punjab | Airtel | GSM | 9815012345 |
| Talwandi | Punjab | Spice | GSM | 9814012345 |
| TalwandiBhai | Punjab | Airtel | GSM | 9815012345 |
| TalwandiSabo | Punjab | Airtel | GSM | 9815012345 |
| Talwara | Punjab | Airtel | GSM | 9815012345 |
| Tambaram | Tata Indicom | CDMA | 9210008282 | |
| Tamminapalli | Andhra Pradesh | Airtel | GSM | 9849012345 |
| Tanda | Punjab | AirTel | GSM | 9815012345, 9815098150 |
| Tandavapura | Tata Indicom | CDMA | 9210008282 | |
| Tandoor | Tata Indicom | CDMA | 9210008282 | |
| Tandur | Andhra Pradesh | IDEA Cellular | GSM | 9848012345 |
| Airtel | GSM | 9849012345 | ||
| Tangi | Orissa | Airtel | GSM | 9864098640 |
| Tangra | Punjab | Airtel | GSM | 9815012345 |
| Tangutoor | hw | Tata Indicom | CDMA | 9210008282 |
| Tangutur | Andhra Pradesh | Airtel | GSM | 9849012345 |
| Tanguturu | Andhra Pradesh | IDEA Cellular | GSM | 9848012345 |
| Tanjore | Tata Indicom | CDMA | 9210008282 | |
| Tanku | Tata Indicom | CDMA | 9210008282 | |
| Tanuku | Andhra Pradesh | IDEA Cellular | GSM | 9848012345 |
| Airtel | GSM | 9849012345 | ||
| Tanur | Kerala | AirTel | GSM | 9895012345 |
| Tappa | Punjab | Airtel | GSM | 9815012345 |
| Tata Indicom | CDMA | 9210008282 | ||
| Taradevi | Himachal Pradesh | AirTel | GSM | 9816012345, 9816098160 |
| Tarana | Madhya Pradesh / Chhattisgarh | Airtel | GSM | 9893012345 |
| TaranTaaran | Tata Indicom | CDMA | 9210008282 | |
| TaranTaran | Punjab | AirTel | GSM | 9815012345, 9815098150 |
| Spice | GSM | 9814012345 | ||
| Tarapur | Gujarat | Airtel | GSM | 9898012345 |
| Tarapur | Maharashtra / Goa | BPL Cellular | GSM | 9823099800 |
| IDEA Cellular | GSM | 9822012345 | ||
| Airtel | GSM | 9890012345 | ||
| Tarawari | Haryana | AirTel | GSM | 9896012345, 9896098960 |
| Tarihal | Tata Indicom | CDMA | 9210008282 | |
| Tarikere | Tata Indicom | CDMA | 9210008282 | |
| Tarkeshwar | West Bengal | Airtel | GSM | 9832098320 |
| Tarpur | Orissa | Airtel | GSM | 9864098640 |
| Tasgaon | Maharashtra / Goa | IDEA Cellular | GSM | 9822012345 |
| Airtel | GSM | 9890012345 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Tattipaka | Andhra Pradesh | Airtel | GSM | 9849012345 |
| Tauru | Haryana | Airtel | GSM | 9896012345, 9896098960 |
| Tavanur | Kerala | AirTel | GSM | 9895012345 |
| Tejakhera | Haryana | IDEA Cellular | GSM | 9812012345 |
| Tekanpur | Madhya Pradesh / Chhattisgarh | Airtel | GSM | 9893012345 |
| Tekkali | Andhra Pradesh | Airtel | GSM | 9849012345 |
| Telaprolu | Andhra Pradesh | IDEA Cellular | GSM | 9848012345 |
| Airtel | GSM | 9849012345 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Tellicherry | Kerala | Airtel | GSM | 9895012345 |
| Tembhurni | Maharashtra / Goa | Airtel | GSM | 9890012345 |
| Tenali | Andhra Pradesh | HUTCH | GSM | 9885000111 |
| IDEA Cellular | GSM | 9848012345 | ||
| Airtel | GSM | 9849012345 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Tenkasi | Tamil Nadu / Pondicherry | BPL Cellular | GSM | 9843098430 |
| Tata Indicom | CDMA | 9210008282 | ||
| Tepla | Punjab | Spice | GSM | 9814012345 |
| Tepla(FromShambu) | Punjab | AirTel | GSM | 9815012345, 9815098150 |
| Tepra | Himachal Pradesh | Airtel | GSM | 9816012345 |
| Tettu | hw | Tata Indicom | CDMA | 9210008282 |
| Thakkadai | Tamil Nadu / Pondicherry | BPL Cellular | GSM | 9843098430 |
| Thakkalai | Tamil Nadu / Pondicherry | BPL Cellular | GSM | 9843098430 |
| Thakkali | Tata Indicom | CDMA | 9210008282 | |
| Thalassery | Kerala | BPL Cellular | GSM | 9846098460 |
| AirTel | GSM | 9895012345 | ||
| IDEA Cellular | GSM | 9847012345 | ||
| Thalayolaparamba | Kerala | AirTel | GSM | 9895012345 |
| Thaliparamba | Kerala | AirTel | GSM | 9895012345 |
| BPL Cellular | GSM | 9846098460 | ||
| IDEA Cellular | GSM | 9847012345 | ||
| Thalipparambu | Kerala | Airtel | GSM | 9895012345 |
| Thallada | Andhra Pradesh | Airtel | GSM | 9849012345 |
| Thanchappar | Haryana | IDEA Cellular | GSM | 9812012345 |
| Thane | Maharashtra / Goa | IDEA Cellular | GSM | 9822012345 |
| Thanedar | Himachal Pradesh | Airtel | GSM | 9816012345 |
| Thanesar | Tata Indicom | CDMA | 9210008282 | |
| Thangadh | Gujarat | IDEA Cellular | GSM | 9824012345 |
| Thanjavur | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| BPL Cellular | GSM | 9843098430 | ||
| Thanur | Kerala | IDEA Cellular | GSM | 9847012345 |
| Thasra | Gujarat | Airtel | GSM | 9898012345 |
| Thavalakuppam | Tata Indicom | CDMA | 9210008282 | |
| TheDang | Gujarat | HUTCH | GSM | 9825098250 |
| Theni | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| BPL Cellular | GSM | 9843098430 | ||
| Thenkasi | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| Theog | Himachal Pradesh | AirTel | GSM | 9816012345, 9816098160 |
| Thindivanam | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| Tata Indicom | CDMA | 9210008282 | ||
| Thirthuraipoondi | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| Thirubhuvanai | Tata Indicom | CDMA | 9210008282 | |
| Thiruchengode | Tamil Nadu / Pondicherry | BPL Cellular | GSM | 9843098430 |
| Thirukkoilur | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| Thirumangalam | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| BPL Cellular | GSM | 9843098430 | ||
| Thirumangalam | Tata Indicom | CDMA | 9210008282 | |
| Thirumazhisai | Tata Indicom | CDMA | 9210008282 | |
| Thirunagar | Tata Indicom | CDMA | 9210008282 | |
| Thirunavya | Kerala | AirTel | GSM | 9895012345 |
| Thirunelveli | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| Thirunindravur | Tata Indicom | CDMA | 9210008282 | |
| Thiruparankundram | Tata Indicom | CDMA | 9210008282 | |
| Thirupathur | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| BPL Cellular | GSM | 9843098430 | ||
| Thirurangadi | Kerala | BPL Cellular | GSM | 9846098460 |
| Thiruthani | Tamil Nadu / Pondicherry | BPL Cellular | GSM | 9843098430 |
| Thiruvalla | Kerala | AirTel | GSM | 9895012345 |
| BPL Cellular | GSM | 9846098460 | ||
| IDEA Cellular | GSM | 9847012345 | ||
| Thiruvallur | Tamil Nadu / Pondicherry | BPL Cellular | GSM | 9843098430 |
| Thiruvanamalai | Tata Indicom | CDMA | 9210008282 | |
| Thiruvankulam | Tata Indicom | CDMA | 9210008282 | |
| Thiruvannamalai | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| Thiruvarur | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| BPL Cellular | GSM | 9843098430 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Thiruverambur | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| Thiruverumbur | Tamil Nadu / Pondicherry | BPL Cellular | GSM | 9843098430 |
| Tata Indicom | CDMA | 9210008282 | ||
| Thodupuzha | Kerala | BPL Cellular | GSM | 9846098460 |
| Airtel | GSM | 9895012345 | ||
| IDEA Cellular | GSM | 9847012345 | ||
| Thokattu | Tata Indicom | CDMA | 9210008282 | |
| Thottapally | Kerala | AirTel | GSM | 9895012345 |
| Thrippunithura | Tata Indicom | CDMA | 9210008282 | |
| Thriprayar | Kerala | BPL Cellular | GSM | 9846098460 |
| Airtel | GSM | 9895012345 | ||
| IDEA Cellular | GSM | 9847012345 | ||
| Thrissur | Kerala | AirTel | GSM | 9895012345 |
| BPL Cellular | GSM | 9846098460 | ||
| Thrithala | Kerala | BPL Cellular | GSM | 9846098460 |
| Thudiyalur | Tamil Nadu / Pondicherry | BPL Cellular | GSM | 9843098430 |
| Aircel Ltd. | GSM | 9842212345 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Thungathurthy | Andhra Pradesh | HUTCH | GSM | 9885000111 |
| Thuraiyur | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| BPL Cellular | GSM | 9843098430 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Thuravoor | Kerala | AirTel | GSM | 9895012345 |
| Thuvakudi | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| BPL Cellular | GSM | 9843098430 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Tilhar | U.P.(East) | Airtel | GSM | 9849098490 |
| Timmapuram | Tata Indicom | CDMA | 9210008282 | |
| Tindivanam | Tamil Nadu / Pondicherry | BPL Cellular | GSM | 9843098430 |
| Tiptur | Karnataka | Airtel | GSM | 9845012345 |
| Tata Indicom | CDMA | 9210008282 | ||
| Tirawari | Tata Indicom | CDMA | 9210008282 | |
| Tirtol | Orissa | Airtel | GSM | 9864098640 |
| Tiruchendur | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| Tata Indicom | CDMA | 9210008282 | ||
| Tiruchengode | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| Tata Indicom | CDMA | 9210008282 | ||
| Tirumala | Andhra Pradesh | HUTCH | GSM | 9885000111 |
| IDEA Cellular | GSM | 9848012345 | ||
| Tirunelveli | Tamil Nadu / Pondicherry | BPL Cellular | GSM | 9843098430 |
| Tata Indicom | CDMA | 9210008282 | ||
| Tirupathi | Andhra Pradesh | HUTCH | GSM | 9885000111 |
| Tirupathur | Tata Indicom | CDMA | 9210008282 | |
| Tirupati | Andhra Pradesh | IDEA Cellular | GSM | 9848012345 |
| Airtel | GSM | 9849012345 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Tirupati/Tirumala | Andhra Pradesh | Airtel | GSM | 9849012345 |
| Tiruppur | Tamil Nadu / Pondicherry | BPL Cellular | GSM | 9843098430 |
| Tata Indicom | CDMA | 9210008282 | ||
| Aircel Ltd. | GSM | 9842212345 | ||
| Tirur | Kerala | AirTel | GSM | 9895012345 |
| BPL Cellular | GSM | 9846098460 | ||
| Tirurangadi | Tata Indicom | CDMA | 9210008282 | |
| Tiruthani | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| Tiruttani | Tata Indicom | CDMA | 9210008282 | |
| Tiruvallur | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| Tiruvellore | Tata Indicom | CDMA | 9210008282 | |
| Tiruverkadu | Tata Indicom | CDMA | 9210008282 | |
| Tiruvottiyur | Tata Indicom | CDMA | 9210008282 | |
| Tiruvuru | Andhra Pradesh | Airtel | GSM | 9849012345 |
| Tithal | Gujarat | IDEA Cellular | GSM | 9824012345 |
| Tivim | Maharashtra / Goa | IDEA Cellular | GSM | 9822012345 |
| TNarsiPura | Tata Indicom | CDMA | 9210008282 | |
| Tohana | Haryana | Airtel | GSM | 9896012345, 9896098960 |
| Tonsa | Punjab | Airtel | GSM | 9815012345 |
| Torangallu | Tata Indicom | CDMA | 9210008282 | |
| ToshamKhanak | Haryana | Airtel | GSM | 9896012345, 9896098960 |
| Trawari | Haryana | IDEA Cellular | GSM | 9812012345 |
| Tribhuvanai | Tamil Nadu / Pondicherry | BPL Cellular | GSM | 9843098430 |
| Trichur | Kerala | Tata Indicom | CDMA | 9210008282 |
| IDEA Cellular | GSM | 9847012345 | ||
| Trichy | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842412345 |
| BPL Cellular | GSM | 9843098430 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Trikaripur | Kerala | AirTel | GSM | 9895012345 |
| Triprayar | Kerala | AirTel | GSM | 9895012345 |
| Tripunithara | Kerala | IDEA Cellular | GSM | 9847012345 |
| Tripunithura | Kerala | AirTel | GSM | 9895012345 |
| BPL Cellular | GSM | 9846098460 | ||
| Trirur | Kerala | IDEA Cellular | GSM | 9847012345 |
| Tritunithur | Kerala | Airtel | GSM | 9895012345 |
| Trivandrum | Kerala | AirTel | GSM | 9895012345 |
| BPL Cellular | GSM | 9846098460 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Trivendrum | Kerala | Airtel | GSM | 9895012345 |
| IDEA Cellular | GSM | 9847012345 | ||
| Tubinkere | Tata Indicom | CDMA | 9210008282 | |
| Tuljapur | Maharashtra / Goa | Airtel | GSM | 9890012345 |
| Tumkur | Karnataka | HUTCH | GSM | 9886098860 |
| Airtel | GSM | 9845012345 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Tumsar | Maharashtra / Goa | Airtel | GSM | 9890012345 |
| Tundla | U.P.(West) / Uttaranchal | IDEA Cellular | GSM | 9837012345 |
| Tungidighi | West Bengal | Airtel | GSM | 9832098320 |
| Tuni | Andhra Pradesh | IDEA Cellular | GSM | 9848012345 |
| Airtel | GSM | 9849012345 | ||
| Tata Indicom | CDMA | 9210008282 | ||
| Tupran | Andhra Pradesh | Airtel | GSM | 9849012345 |
| Tata Indicom | CDMA | 9210008282 | ||
| Tupranpet | hw | Tata Indicom | CDMA | 9210008282 |
| Turuvekere | Karnataka | Airtel | GSM | 9845012345 |
| Tuticorin | Tamil Nadu / Pondicherry | Aircel Ltd. | GSM | 9842212345 |
| BPL Cellular | GSM | 9843098430 | ||
| Tata Indicom | CDMA | 9210008282 |