| Chennai Pin code Wise | ||
| Parrys | 600 001 | |
| Park Town | 600 003 | |
| Anna Road HO | 600 002 | |
| Mylapore | 600 004 | |
| Triplicane | 600 005 | |
| Greems Road | 600 006 | |
| Vepery | 600 007 | |
| Egmore | 600 008 | |
| Fort St.Ggeorge | 600 009 | |
| Kilpauk | 600 010 | |
| Perambur | 600 011 | |
| Perambur Barracks | 600 012 | |
| Royapuram | 600 013 | |
| Royapettah | 600 014 | |
| Saidapet | 600 015 | |
| St.Thomos Mount HO | 600 016 | |
| T.Nagar | 600 017 | |
| Teynampet | 600 018 | |
| Tiruvottiyur | 600 019 | |
| Adyar | 600 020 | |
| Washermanpet | 600 021 | |
| Raj Bhavan | 600 022 | |
| Ayanavaram | 600 023 | |
| Kodambakkam | 600 024 | |
| Engineering College | 600 025 | |
| Vadapalani | 600 026 | |
| Meenambakkam | 600 027 | |
| R.A.Puram | 600 028 | |
| Aminjikarai | 600 029 | |
| Shenoy Nagar | 600 030 | |
| Chetpet HO | 600 031 | |
| Guindy Indl.Estate | 600 032 | |
| West Mambalam | 600 033 | |
| Nungambakkam | 600 034 | |
| Nandanam | 600 035 | |
| I.I.T | 600 036 | |
| Officers Training Academy | 600 037 | |
| ICF Colony | 600 038 | |
| Vyasarpadi | 600 050 | |
| Anna Nagar | 600 040 | |
| Tiruvanmiyur | 600 041 | |
| velachery | 600 042 | |
| Palavaram | 600 043 | |
| Chrompet | 600 044 | |
| Tambaram HO | 600 045 | |
| Tambaram ICF | 600 046 | |
| Tambaram Sanatorium | 600 047 | |
| Vandalur | 600 048 | |
| villivakkam | 600 049 | |
| Padi | 600 050 | |
| Madhavaram Milk Clny | 600 051 | |
| Redhills | 600 052 | |
| Ambattur Ho | 600 053 | |
| Avadi Camp HO | 600 054 | |
| Avadi IAF | 600 055 | |
| Poonamallee | 600 056 | |
| Ennore Termal Stn | 600 057 | |
| Ambattur Indl.Estate | 600 058 | |
| Tambaram East | 600 059 | |
| Madhavaram | 600 060 | |
| Nanganallur | 600 061 | |
| Sathyamurthi Nagar | 600 062 | |
| Srinivasa Nagar | 600 063 | |
| Chitalapakkam | 600 064 | |
| CRP Camp Avadi | 600 065 | |
| Pozhal | 600 066 | |
| Sholavaram | 600 067 | |
| Manali | 600 068 | |
| kunnathur | 600 069 | |
| Anakaputhur | 600 070 | |
| Kamaraj Nagar | 600 071 | |
| Pattabiram | 600 072 | |
| Selaiyur | 600 073 | |
| Polichalur | 600 074 | |
| Pammal | 600 075 | |
| Korattur RS | 600 076 | |
| Tirverkadu | 600 077 | |
| K.K.Nagar | 600 078 | |
| Sowcarpet | 600 079 | |
| Korattur | 600 080 | |
| Tondiarpet | 600 081 | |
| Jawahar Nagar | 600 082 | |
| Ashok Nagar | 600 083 | |
| Flowers Road | 600 084 | |
| Kottur | 600 085 | |
| Gopalapuram | 600 086 | |
| Alwarthirunagar | 600 087 | |
| Adambakkam | 600 088 | |
| Nandabakkamudiyiruppu | 600 089 | |
| Besant Nagar | 600 090 | |
| Madipakkam | 600 091 | |
| Virugambakkam | 600 092 | |
| Saligramam | 600 093 | |
| Choolaimedu | 600 094 | |
| Jafferkhanpet | 600 095 | |
| Perungudi | 600 096 | |
| Ekkaduthangal | 600 097 | |
| SIDCO Estate | 600 098 | |
| Kolathur | 600 099 | |
| Thrisulam Village | 600 100 | |
| Anna Nagar West Extn | 600 101 | |
| Anna Nagar East | 600 102 | |
| Manali New Town | 600 103 | |
| Madras High Court | 600 104 | |
| C-in-C Rd.(Ethiraj Salai) | 600 105 | |
| Arumbakkam | 600 106 | |
| Koyambedu | 600 107 | |
| Broadway | 600 108 | |
| Rly.Car Shed Avadi | 600 109 | |
| Ponniamman Medu | 600 110 | |
| Ayyappanagar | 600 111 | |
| Choolai | 600 112 | |
| T.T.T.I.Tharamani | 600 113 | |
| Pazhavanthangal | 600 114 | |
| Velachari Rd | 600 115 | |
| Porur | 600 116 | |
| Keezhakattalai | 600 117 | |
| Minjur | 601 203 | |
| Ponneri | 601 204 | |
| Pulicat | 601 205 | |
| Kavarapettai | 601 206 | |
| Arambakkam RS | 601 207 | |
| Thirupalai Vanam | 601 208 | |
| Thirumullaivoyal | 601 209 | |
| Perumbadu | 601 210 | |
| Elavur | 601 211 | |
| Iguvar Palayam | 601 212 | |
| Jothi Nagar(Minjur) | 601 213 | |
| Devampattu | 601 214 | |
| Padappai | 601 301 | |
| Gowrivakkam | 601 302 | |
| Old Pallavaram | 601 303 | |
| Thiruninravur | 602 024 | |
| Mangadu | 602 101 | |
| Maduravoil | 602 102 | |
| West porur | 602 104 | |
| Nazareth Pettai | 602 107 | |
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