| Chennai GPO | -------- | 600 001 |
| Anna Road GPO | -------- | 600 002 |
| Park Town | -------- | 600 003 |
| Mylapore | -------- | 600 004 |
| Triplicane | -------- | 600 005 |
| Greams Road | -------- | 600 006 |
| Vepery | -------- | 600 007 |
| Egmore | -------- | 600 008 |
| Fort St George | -------- | 600 009 |
| Kilpauk | -------- | 600 010 |
| Perambur | -------- | 600 011 |
| PeramburBar | -------- | 600 012 |
| Royapuram | -------- | 600 013 |
| Royapettah | -------- | 600 014 |
| Saidapet | -------- | 600 015 |
| St. Thomas | -------- | 600 016 |
| Thearayanagar | -------- | 600 017 |
| Teynampet | -------- | 600 018 |
| Tiruvottiyur | -------- | 600 019 |
| Adyar | -------- | 600 020 |
| Washermenpet | -------- | 600 021 |
| Raj Bhavan | -------- | 600 022 |
| Ayanavaram | -------- | 600 023 |
| Kodambakkam | -------- | 600 024 |
| Engineering College | -------- | 600 025 |
| Vadapalani | -------- | 600 026 |
| Meenambakhm | -------- | 600 027 |
| Raja Annamalaipuram | -------- | 600 028 |
| Aminjikarai | -------- | 600 029 |
| Shenoynagar | -------- | 600 030 |
| Chetput HO | -------- | 600 031 |
| Industrial Estate Guindy | -------- | 600 032 |
| West Mambalam | -------- | 600 033 |
| Nungambakkam | -------- | 600 034 |
| Nandanam | -------- | 600 035 |
| Indian Institute of Technology | -------- | 600 036 |
| Officers' Training Schoo | -------- | 600037 |
| ICF Colony | -------- | 600038 |
| Vysarpadi | -------- | 600 039 |
| Annanagar | -------- | 600 040 |
| Thiruvanmiyur | -------- | 600 041 |
| Velacheri | -------- | 600 042 |
| Pallavaram | -------- | 600 043 |
| Chromepet | -------- | 600 044 |
| Tambaram HO | -------- | 600 045 |
| Tambaram IAF | -------- | 600 046 |
| Tambaram Sanato | -------- | 600 047 |
| Vandalur | -------- | 600 048 |
| Villivakkam | -------- | 600 049 |
| Padi | -------- | 600 050 |
| Milk Colony | -------- | 600 051 |
| Red Hills | -------- | 600 052 |
| Ambatur HO | -------- | 600 053 |
| Avadi Camp HO | -------- | 600 054 |
| Avadi IAF | -------- | 600 055 |
| Poonamallee | -------- | 600 056 |
| Ennore Thermal | -------- | 600 057 |
| Indusrial Estate | -------- | 600 058 | |
| Tambaram East | -------- | 600 059 |
| Madhavaram | -------- | 600 060 |
| Nanganallur | -------- | 600 061 |
| Satyamurthinagar | -------- | 600 062 |
| Srinivasanagar | -------- | 600 063 |
| Chitlapakkam | -------- | 600 064 |
| CRP Gmp Avadi | -------- | 600 065 |
| Pozhal | -------- | 600 066 |
| Sholavaram | -------- | 600 067 |
| Manali | -------- | 600 068 |
| Kunrathur(Kanchi Dt | -------- | 600 069 |
| Anakaputhur | -------- | 600 070 |
| Kamarajanagar | -------- | 600 071 |
| Pattabiram | -------- | 600 072 |
| Selaiyur | -------- | 600 073 |
| Pozhichalur | -------- | 600 074 |
| Pammal | -------- | 600 075 |
| Korattur RS | -------- | 600 076 |
| Elruverkadu | -------- | 600 077 |
| K.K. Nagar | -------- | 600 078 |
| Sowcarpet | -------- | 600 079 |
| Korattur | -------- | 600 080 |
| Tondiarpet | -------- | 600 081 |
| Jawahamagar | -------- | 600 082 |
| AshokNagar | -------- | 600 083 |
| Flowers Road | -------- | 600 084 |
| Kottupuram | -------- | 600 085 |
| Gopalapuram | -------- | 600 086 |
| Alwarthirunagar | -------- | 600 087 |
| Adambakkam | -------- | 600 088 |
| Nandambakkam | -------- | 600 089 |
| Besantnagar | -------- | 600 090 |
| Madipakkam | -------- | 600 091 |
| Virugambakkam | -------- | 600 092 |
| Saligramam | -------- | 600 093 |
| Choolaimedu | -------- | 600 094 |
| Jaffarkhanpet | -------- | 600 095 |
| Perungudi | -------- | 600 096 |
| Ekkaduthangal | -------- | 600 097 |
| SIDCO Estate | -------- | 600 098 |
| Kolathur/CPT | -------- | 600 099 |
| Mrusoolam | -------- | 600 100 |
| Annananagar W. Ext. | -------- | 600 101 |
| Annanagar E. Ext. | -------- | 600 102 |
| Manali New Town | -------- | 600 103 |
| High Court Buildings | -------- | 600 104 |
| Commander-in-Chief | -------- | 600 105 |
| Arumbakkam | -------- | 600 106 |
| Koyambedu | -------- | 600 107 |
| Broadway | -------- | 600 108 |
| Railway Car Shed | -------- | 600 109 |
| Ponniammanmedu | -------- | 600 110 |
| Ayappannagar | -------- | 600 111 |
| Choolai | -------- | 600 112 |
| Tharamani | -------- | 600 113 |
| Pazhavanthangal | -------- | 600 114 |
| Madras University | -------- | 600 115 |
| Porur | -------- | 600 116 |
|
Other Pincodes in Chennai |
| Minjur | -------- | 601 203 |
| Ponnery | -------- | 601 204 |
| Pulicat | -------- | 601 205 |
| Kaverapetai | -------- | 601 206 |
| Arambakkam(rs) | -------- | 601 207 |
| Tirupalaivanan | -------- | 601 208 |
| Thirumullaivoyal | -------- | 601 209 |
| Perumbedu | -------- | 601 210 |
| Elavur | -------- | 601 211 |
| Iguvan Palayam | -------- | 601 212 |
| Jothi nagar | -------- | 601 213 | |
| Devampattu | -------- | 601 214 |
| Padappai | -------- | 601 301 |
| Gowrivakkam | -------- | 601 302 |
| Old pallavaram | -------- | 601 303 |
| Thiruninravur | -------- | 602 024 |
| Pakkam | -------- | 602 025 |
| Palavakkam | -------- | 602 028 |
| Mangadu | -------- | 602 101 |
| Nazarethpettai | -------- | 602 103 |
| Vellavedu | -------- | 602 103 |
| Nemam | -------- | 602 107 | |
