| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 701 | Rangdaha | Majhwa BO | 📍 854318 | Forbesganj | Branch Post Office |
| 702 | Rani | Jokihat SO | 📍 854329 | Jokihat | Post Office - PO |
| 703 | Rani Istamrar | Bara Ishambara BO | 📍 854329 | Jokihat | Branch Post Office |
| 704 | Raniganj | Maryganj SO | 📍 854334 | Raniganj | Post Office - PO |
| 705 | Rewahi | Koskapur BO | 📍 854318 | Narpatganj | Branch Post Office |
| 706 | Rupail | Balua Deorhi BO | 📍 854311 | Palasi | Branch Post Office |
| 707 | Rupauli | Chatiuna BO | 📍 854312 | Raniganj | Branch Post Office |
| 708 | Sahabganj | Narpatganj SO | 📍 854335 | Narpatganj | Post Office - PO |
| 709 | Sahani Tola | Araria RS SO | 📍 854312 | Araria | Post Office - PO |
| 710 | Sahasmal | Pategana BO | 📍 854311 | Araria | Branch Post Office |
| 711 | Saida Pokhar | Sikti BO | 📍 854333 | Sikti | Branch Post Office |
| 712 | Saidabad | Sikti BO | 📍 854333 | Sikti | Branch Post Office |
| 713 | Saidpur | Farkia BO | 📍 854304 | Raniganj | Branch Post Office |
| 714 | Saifullah Tola | Jokihat SO | 📍 854329 | Jokihat | Post Office - PO |
| 715 | Sakraili | Mohani BO | 📍 854312 | Raniganj | Branch Post Office |
| 716 | Salaigarh | Madanpur SO Araria | 📍 854333 | Araria | Post Office - PO |
| 717 | Samaul | Tiraskund BO | 📍 854318 | Forbesganj | Branch Post Office |
| 718 | Samda | Bansbari BO | 📍 854311 | Araria | Branch Post Office |
| 719 | Sandalpur | Ahilgaon BO | 📍 854327 | Araria | Branch Post Office |
| 720 | Sanjhaili | Chatiuna BO | 📍 854312 | Raniganj | Branch Post Office |
| 721 | Sapa | Dalmalpur BO | 📍 854329 | Jokihat | Branch Post Office |
| 722 | Saranpur | Dabhara BO | 📍 854311 | Araria | Branch Post Office |
| 723 | Satbhita | Araria Bairgachhi BO | 📍 854311 | Jokihat | Branch Post Office |
| 724 | Satbhita Kamat | Dubha BO | 📍 854311 | Jokihat | Branch Post Office |
| 725 | satbita | Araria Bairgachhi BO | 📍 854311 | Araria | Branch Post Office |
| 726 | Satghara | Dubha BO | 📍 854311 | Jokihat | Branch Post Office |
| 727 | Sawaldeh | Koskapur BO | 📍 854318 | Narpatganj | Branch Post Office |
| 728 | Semaria | Jokihat SO | 📍 854329 | Jokihat | Post Office - PO |
| 729 | Seyampur | Balua Deorhi BO | 📍 854311 | Palasi | Branch Post Office |
| 730 | Shahbazpur | Bathnaha SO | 📍 854316 | Forbesganj | Post Office - PO |
| 731 | Shahbazpur Jagir | Matiyari BO | 📍 854318 | Forbesganj | Branch Post Office |
| 732 | Shahpur | Kessara BO | 📍 854329 | Jokihat | Branch Post Office |
| 733 | Shaifganj | Parwana BO | 📍 854318 | Forbesganj | Branch Post Office |
| 734 | Shaikhpura | Sheikpura BO | 📍 854334 | Bhargama | Branch Post Office |
| 735 | Shankarpur | Shankarpur BO | 📍 854318 | Forbesganj | Branch Post Office |
| 736 | Shankarpur | Parwana BO | 📍 854318 | Forbesganj | Branch Post Office |
| 737 | Shankarpur | Megra Mehndipur BO | 📍 854331 | Kursakatta | Branch Post Office |
| 738 | Shijhua | Kursakanta SO | 📍 854331 | Kursakatta | Post Office - PO |
| 739 | Shijhua Milik | Kursakanta SO | 📍 854331 | Kursakatta | Post Office - PO |
| 740 | Shyamnagar | Bhangahi BO | 📍 854316 | Narpatganj | Branch Post Office |
| 741 | Sikti | Sikti BO | 📍 854333 | Sikti | Branch Post Office |
| 742 | Siktia | Megra Mehndipur BO | 📍 854331 | Kursakatta | Branch Post Office |
| 743 | Simarbani | Simarbani BO | 📍 854318 | Bhargama | Branch Post Office |
| 744 | Simraha | Simraha BO | 📍 854318 | Forbesganj | Branch Post Office |
| 745 | Singar Mohani | Jokihat SO | 📍 854329 | Jokihat | Post Office - PO |
| 746 | Singhia | Barmasia Simarbani BO | 📍 854333 | Sikti | Branch Post Office |
| 747 | Single Tola | Araria RS SO | 📍 854312 | Araria | Post Office - PO |
| 748 | Sinwari | Megra Mehndipur BO | 📍 854331 | Kursakatta | Branch Post Office |
| 749 | Sirsia | Pothia BO | 📍 854318 | Forbesganj | Branch Post Office |
| 750 | Sirsia Hanumanganj | Mahthawabazar BO | 📍 854334 | Bhargama | Branch Post Office |