| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 601 | Chandpur | Gayaspur BO | 📍 841210 | Siswan | Branch Post Office |
| 602 | Chandpur | Siswan Kala BO | 📍 841236 | Siswan | Branch Post Office |
| 603 | Chandpur | Gambhria BO | 📍 841241 | Pachrukhi | Branch Post Office |
| 604 | Chandpur | Sikandrpur BO | 📍 841434 | Goriakothi | Branch Post Office |
| 605 | Chandpur | Jalalpur BO | 📍 841506 | Maharajganj | Branch Post Office |
| 606 | Chandtola Sadru Tola | Hatimpur BO | 📍 841413 | Barharia | Branch Post Office |
| 607 | Chanp | Champ BO | 📍 841241 | Hussainganj | Branch Post Office |
| 608 | Chanri | Sikandrpur BO | 📍 841434 | Barharia | Branch Post Office |
| 609 | Chap Kanhauli | Barhria SO | 📍 841232 | Barharia | Post Office - PO |
| 610 | Chaphawa | Keelpur BO | 📍 841243 | Nautan | Branch Post Office |
| 611 | Charagadhiya | Gayaspur BO | 📍 841210 | Siswan | Branch Post Office |
| 612 | Chargi Chhap | Chhapmathia BO | 📍 841227 | Siwan | Branch Post Office |
| 613 | Chatar | Ansar BO | 📍 841203 | Siswan | Branch Post Office |
| 614 | Chatar Hatta | Barkagaon BO | 📍 841226 | Pachrukhi | Branch Post Office |
| 615 | Chatea | Gangpur Siswan SO | 📍 841210 | Siswan | Post Office - PO |
| 616 | Chatea Diara | Gayaspur BO | 📍 841210 | Siswan | Branch Post Office |
| 617 | Chatisee | Barhria SO | 📍 841232 | Barharia | Post Office - PO |
| 618 | Chaturbhujpur | Gayaspur BO | 📍 841210 | Siswan | Branch Post Office |
| 619 | Chaudhari tola | Karsar BO | 📍 841504 | Raghunathpur | Branch Post Office |
| 620 | Chaudhary Tola | Karanpura BO | 📍 841506 | Goriakothi | Branch Post Office |
| 621 | Chaudhary Tola Tarwara | Tarwara SO | 📍 841506 | Pachrukhi | Post Office - PO |
| 622 | Chauki Hasan | Chaukihasan BO | 📍 841506 | Barharia | Branch Post Office |
| 623 | Chaukihasan Chauki Makhdum | Chaukihasan BO | 📍 841506 | Barharia | Branch Post Office |
| 624 | Chaumukha | Nainpura BO | 📍 841241 | Pachrukhi | Branch Post Office |
| 625 | Chaumukha Kalan | Talli BO | 📍 841239 | Guthani | Branch Post Office |
| 626 | Chaumukha Khurd | Talli BO | 📍 841239 | Guthani | Branch Post Office |
| 627 | Chaurasi | Bhikhpur BO | 📍 841408 | Bhagwanpur Hat | Branch Post Office |
| 628 | Chauri Kalan | Raghunathpur SO Siwan | 📍 841504 | Raghunathpur | Post Office - PO |
| 629 | Chhajwa | Ballia BO | 📍 841237 | Andar | Branch Post Office |
| 630 | Chhaka Tola | Madhopur BO | 📍 841232 | Barharia | Branch Post Office |
| 631 | chhakariya | B.P.Ekderwsa BO | 📍 841243 | Nautan | Branch Post Office |
| 632 | chhakariya kawee | B.P.Ekderwsa BO | 📍 841243 | Nautan | Branch Post Office |
| 633 | Chhap | Chhapmathia BO | 📍 841227 | Siwan | Branch Post Office |
| 634 | Chhapia Buzurg BO | Chhapia Buzurg BO | 📍 841228 | Siwan | Branch Post Office |
| 635 | Chhapiya Buzurg | Chapia Bujurg BO | 📍 841226 | Hussainganj | Branch Post Office |
| 636 | Chhapiya Khurd | Chapia Bujurg BO | 📍 841226 | Hussainganj | Branch Post Office |
| 637 | Chhaprapal | Langarpura BO | 📍 841239 | Ziradei | Branch Post Office |
| 638 | Chhata | Chapia Bujurg BO | 📍 841226 | Hussainganj | Branch Post Office |
| 639 | Chhatisi | Tethli BO | 📍 841232 | Barharia | Post Office - PO |
| 640 | Chherahi | Bagaura SO | 📍 841404 | Daraundha | Post Office - PO |
| 641 | Chhitanpur | Chhitanpur BO | 📍 841245 | Ziradei | Branch Post Office |
| 642 | Chhitauli | Chhitauli BO | 📍 841203 | Siswan | Branch Post Office |
| 643 | Chhitauli Kalan | Laxmiganj BO | 📍 841439 | Goriakothi | Branch Post Office |
| 644 | Chhitauli KHurd | Mustfabad SO | 📍 841439 | Goriakothi | Post Office - PO |
| 645 | Chhitauli Khurd | Laxmiganj Sisai BO | 📍 841506 | Goriakothi | Branch Post Office |
| 646 | Chhitni Dumri | Ramnagar BO | 📍 841504 | Raghunathpur | Branch Post Office |
| 647 | Chhotaka Manjha | Chotka Manjha BO | 📍 841243 | Nautan | Branch Post Office |
| 648 | Chhotka Manjha | Chotka Manjha BO | 📍 841243 | Ziradei | Branch Post Office |
| 649 | Chhotka Teghra | Chhotkateghra BO | 📍 841238 | Maharajganj | Branch Post Office |
| 650 | Chhotpur | Jiyan BO | 📍 841226 | Siwan | Branch Post Office |