36 PIN codes
| PIN code | Post offices | Taluk / tehsil |
|---|---|---|
| 600019 | Tiruvottiyur West Bo | – |
| 600049 | Tirumangalam Road So | – |
| 600052 | Alamathi Bo, Pammadukulam Bo, Vilangadupakkam Bo | – |
| 600053 | Menambedu So, Oragadam Bo | – |
| 600054 | Cvrde So, Tank Factory Avadi So | – |
| 600055 | Avadi Iaf So | – |
| 600062 | Senthilnagar So | – |
| 600067 | Erumaivettipalayam Bo, Orakadu Bo | – |
| 600072 | Pattabiram So, Thandarai So, Arignar Anna Nagar Bo and 2 more | – |
| 600095 | Vanagaram Bo | – |
| 600103 | Andarkuppam Bo | – |
| 600124 | Nemam Bo | – |
| 601102 | Periapalayam S.O, Athivakkam B.O, Nelvoy B.O and 1 more | – |
| 601103 | Damaraipakkam B.O, Enambakkam B.O, Kalpattu B.O and 2 more | – |
| 601201 | Mangavaram Bo | – |
| 601202 | Manellore Bo, Roshanagaram Bo | – |
| 601203 | Devadanam Bo | – |
| 601205 | Kolur Bo | – |
| 601206 | Kilmudalambedu Bo | – |
| 602002 | Manavalanagar S.O, Melnallathur B.O, Nungambakkam B.O and 1 more | – |
| 602021 | Perattur B.O | – |
| 602023 | Sandarayanpalayam B.O, Timmaboopalapuram B.O | – |
| 602024 | Tiruninravur Rs S.O, Vadattur B.O | – |
| 602025 | Tirur Cpt S.O, Kalambakkam B.O, Koppur B.O | – |
| 602026 | Pennaluripeta B.O | – |
| 602105 | Ulundai B.O, Vayalur B.O | – |
| 631203 | Kadambathur S.O, Kaivandur B.O, Pattaraiperumbudur B.O and 2 more | – |
| 631204 | Kanakammachatram S.O, Arcot B.O, Nedambaram B.O | – |
| 631205 | Beerakuppam B.O, Koramangalam B.O, S.Agraharam B.O | – |
| 631206 | Madduru S.O | – |
| 631207 | Karimbedu B.O, Nediyam B.O, Veliagaram B.O | – |
| 631209 | Tiruttani S.O, Agooru B.O, Suryanagaram B.O and 2 more | – |
| 631210 | Tiruvelangadu S.O, Athipattu B.O, Kunnavalam B.O | – |
| 631301 | Kadananagaram B.O | – |
| 631302 | Myladumparai B.O | – |
| 631303 | Ammaneri B.O | – |
Bank branches and IFSC codes in Thiruvallur district 20 banks, 56 branches in the branch list. Listed by district, not by PIN code.