TN-01 Chennai Central (Ayanavaram} [PIN Codes 600006, 07, 08, 10, 23, 31, 34, 81,105]

TN-02 Chennai West (Anna Nagar) [PIN Codes 600029,30,40,49,101,102,106, Mugappair East & West]

TN-03 Chennai North East (Tondiarpet)

TN-04 Chennai East (Basin Bridge) [PIN Codes 600001,03,09,13,19,21,79,81,104,108,112]

TN-05 Chennai North (Vyasarpadi) [PIN Codes 600011, 12, 38, 39, 82, 99,110,118]

TN-06 Chennai South East (Mandaveli)

TN-07 Chennai South (Thiruvanmiyur) [PIN Codes 600002 (except Anna Salai), 600004,05,18,20,22,25,28,36,42,85,86,90,96,113,28, Palavakkam, Kotivakkam]

TN-09 Chennai West (K.K. Nagar) [PIN Codes 600015,17,24,32,33,35,78,83,89,97,98]

TN-10 Chennai South West (Valasarawakkam) [PIN Codes 600026, 87, 89,92,93,94,111, Porur, Ramapuram]

TN-18 Red Hills, Chennai

TN-19 Chengalpattu

TN-20 Tiruvallur

TN-21 Kanchipuram

TN-22 Meenambakkam

TN-23 Vellore

TN-24 Krishnagiri

TN-25 Thiruvannamalai

TN-27 Salem Central

TN-28 Namakkal

TN-29 Dharmapuri

TN-30 Salem West

TN-31 Cuddalore

TN-32 VillupuramUlundurpet

TN-33 Erode

TN-34 Thiruchengode

TN-36 Gobichettipalayam

TN-37 Coimbatore South

TN-38 Coimbatore North

TN-39 Tiruppur North

TN-40 Mettupalayam

TN-41 Pollachi

TN-42 Tiruppur South, Udumalpet

TN-43 Uthagamandalam, The Nilgiris

TN-45 Tiruchirapalli

TN-46 Perambalur

TN-47 Karur

TN-48 Sri Rangam (Tiruchirapalli)

TN-49 Thanjavur

TN-50 Mannargudi

TN-51 Nagapattinam

TN-52 Sankagiri

TN-54 Salem East

TN-55 Pudukottai

TN-56 Perundurai

TN-57 Dindigul

TN-58 Madurai South

TN-59 Madurai North

TN-60 Periyakulam (Theni)

TN-61 Ariyalur

TN-63 Sivagangai

TN-64 Madurai Central

TN-65 Ramanathapuram

TN-66 Coimbatore Central

TN-67 Virudhunagar

TN-68 Kumbakonam

TN-69 Tuticorin

TN-70 Hosur

TN-72 Tirunelveli

TN-73 Ranipet (Vellore)

TN-74 Nagercoil

TN-75 Marthandam

TN-76 Tenkasi

TN-/N State Transport Undertakings

TN-/G State Government Vehicles