Post offices and branch post offices present in Lakhisarai district of Bihar state. There are 89 Post Offices located in the district. List of Pin code of all the places in Lakhisarai is listed below.
| Post Office | Taluk | District | PIN Code |
|---|---|---|---|
| Abhaypur B.O | Surajgarha | Lakhisarai | 811112 |
| Alinagar B.O | Surajgarha | Lakhisarai | 811106 |
| Amarpur B.O | Surajgarha | Lakhisarai | 811106 |
| Arma B.O | Surajgarha | Lakhisarai | 811309 |
| Aurey B.O | Ramgarh Chowk | Lakhisarai | 811311 |
| B Dariyapur B.O | Barhiya | Lakhisarai | 811302 |
| B.Bartara B.O | Ramgarh Chowk | Lakhisarai | 811107 |
| Baghaur B.O | Halsi | Lakhisarai | 811311 |
| Bahachha B.O | Halsi | Lakhisarai | 811304 |
| Balgudar B.O | Lakhisarai | Lakhisarai | 811311 |
| Bandhu Bagicha B.O | Bandhu Bagicha | Lakhisarai | 811310 |
| Barhiya S.O | Barhiya | Lakhisarai | 811302 |
| Belari B.O | Lakhisarai | Lakhisarai | 811311 |
| Bhabangawan B.O | Lakhisarai | Lakhisarai | 811311 |
| Bichhwey B.O | Bannu Bagicha | Lakhisarai | 811310 |
| Billo B.O | Ramgarh Chowk | Lakhisarai | 811107 |
| Birupur B.O | Barhiya | Lakhisarai | 811302 |
| C.R.Lakhisarai B.O | Lakhisarai | Lakhisarai | 811201 |
| Chetan Tola Khutha B.O | Barhiya | Lakhisarai | 811302 |
| Damodar Pur B.O | Lakhisarai | Lakhisarai | 811311 |
| Dhira B.O | Halsi | Lakhisarai | 811315 |
| Dhiradar B.O | Lakhisarai | Lakhisarai | 811311 |
| Dighari B.O | Surajgarha | Lakhisarai | 811106 |
| Dihra B.O | Lakhisarai | Lakhisarai | 811311 |
| Dumari B.O | Barhiya | Lakhisarai | 811302 |
| G Parsando B.O | Halsi | Lakhisarai | 811311 |
| Ganga Sarai B.O | Barhiya | Lakhisarai | 811302 |
| Ghonghsa B.O | Halsi | Lakhisarai | 811315 |
| Gopalpur B.O | Bannu Bagicha | Lakhisarai | 811310 |
| Halsi B.O | Halsi | Lakhisarai | 811311 |
| Jaitpur B.O | Barhiya | Lakhisarai | 811302 |
| Janki Dih Beldaria B.O | Bannu Bagicha | Lakhisarai | 811310 |
| Kabadpur B.O | Surajgarha | Lakhisarai | 811106 |
| Kachhiyana B.O | Lakhisarai | Lakhisarai | 811107 |
| Kajra S.O | Lakhisarai | Lakhisarai | 811309 |
| Kendi B.O | Halsi | Lakhisarai | 811311 |
| Khutha B.O | Barhiya | Lakhisarai | 811302 |
| Kiranpur B.O | Surajgarha | Lakhisarai | 811106 |
| Kisanpur B.O | Lakhisarai | Lakhisarai | 811311 |
| Kiul-rs S.O | Lakhisarai | Lakhisarai | 811310 |
| Konag B.O | Lakhisarai | Lakhisarai | 811311 |
| L. Kalyanpur B.O | Barhiya | Lakhisarai | 811302 |
| Lai B.O | Surajgarha | Lakhisarai | 811309 |
| Lakhisarai Court S.O | Lakhisarai | Lakhisarai | 811311 |
| Lakhisarai S.O | Lakhisarai | Lakhisarai | 811311 |
| Loshghani B.O | Surajgarha | Lakhisarai | 811112 |
| M. Nagar B.O | Halsi | Lakhisarai | 811315 |
| Mahisona B.O | Lakhisarai | Lakhisarai | 811311 |
| Malia B.O | Chanan (bannu Bagicha) | Lakhisarai | 811310 |
| Mananpur B.O | Chanan(bannu Bagicha) | Lakhisarai | 811310 |
| Mankattha B.O | Lakhisarai | Lakhisarai | 811311 |
| Mano B.O | Surajgarha | Lakhisarai | 811310 |
| Matashi B.O | Halsi | Lakhisarai | 811315 |
| Mustafapur B.O | Surajgarha | Lakhisarai | 811106 |
| Nadiyama B.O | Ramgarh Chowk | Lakhisarai | 811107 |
| Nandnama B.O | Ramgarh Chowkq | Lakhisarai | 811311 |
| Nandpur B.O | Surajgarha | Lakhisarai | 811106 |
| Noma B.O | Halsi | Lakhisarai | 811315 |
| P.B.Lakhisarai S.O | Lakhisarai | Lakhisarai | 811311 |
| Pacham B.O | Bannubagicha (chanan) | Lakhisarai | 811311 |
| Paharpur B.O | Surajgarha | Lakhisarai | 811106 |
| Parsama B.O | Ramgarh Chowk | Lakhisarai | 811311 |
| Pawai B.O | Surajgarha | Lakhisarai | 811309 |
| Pipariya B.O | Piparia | Lakhisarai | 811302 |
| Piri Bazar S.O | Surajgarha | Lakhisarai | 811112 |
| Pokhrama B.O | Surajgarha | Lakhisarai | 811309 |
| Pratappur B.O | Halsi | Lakhisarai | 811107 |
| R Mahsaura B.O | Ramgarh Chowk | Lakhisarai | 811107 |
| Ramchandrapur B.O | Pipariya | Lakhisarai | 811311 |
| Ramnagar B.O | Pipaia | Lakhisarai | 811311 |
| Rampur B.O | Lakhisarai | Lakhisarai | 811310 |
| Rehua B.O | Surajgarha | Lakhisarai | 811311 |
| S Imam Nagar B.O | Ramgarh Chowk | Lakhisarai | 811107 |
| S Khairma B.O | Ramgarh Chowk | Lakhisarai | 811311 |
| S Salaunja B.O | Halsi | Lakhisarai | 811311 |
| Sadaibigha B.O | Barhiya | Lakhisarai | 811302 |
| Sahoor B.O | Surajgarha | Lakhisarai | 811310 |
| Sangrampur B.O | Lakhisarai | Lakhisarai | 811310 |
| Sharma B.O | Lakhisarai | Lakhisarai | 811311 |
| Shiovsona B.O | Halsi | Lakhisarai | 811311 |
| Shobhani B.O | Lakhisarai | Lakhisarai | 811310 |
| Singhchak B.O | NA | Lakhisarai | 811310 |
| Ss Barari B.O | Surajgaraha | Lakhisarai | 811106 |
| Surajgaraha S.O | Surajgarha | Lakhisarai | 811106 |
| Talsharama B.O | Barhiya | Lakhisarai | 811302 |
| Tarhari B.O | Halsi | Lakhisarai | 811315 |
| Tetarhat B.O | Ramgarh Chowk | Lakhisarai | 811311 |
| Urain B.O | Surajgarha | Lakhisarai | 811309 |
| Walipur B.O | Piparia | Lakhisarai | 811311 |