| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 401 | Chargaha | San Sariya BO | 📍 845438 | Nautan | Branch Post Office |
| 402 | Chargharwa | Meghwal Mathia BO | 📍 845106 | Ramnagar | Branch Post Office |
| 403 | Charihani | Manwa Parsi BO | 📍 845455 | Gaunaha | Branch Post Office |
| 404 | Chaube Tola | Jogapatti SO | 📍 845452 | Jogapatti | Post Office - PO |
| 405 | Chaubey Tola | Chanpatia R S SO | 📍 845449 | Chanpatia | Post Office - PO |
| 406 | Chauhatta | Chauhatta BO | 📍 845451 | Mainatanr | Branch Post Office |
| 407 | Chauhatta | D.K.Shikarpur SO | 📍 845451 | Narkatiaganj | Branch Post Office |
| 408 | Chaumukha | Chamukha BO | 📍 845452 | Jogapatti | Branch Post Office |
| 409 | Chaurbar | Sugauli BO | 📍 845455 | Narkatiaganj | Branch Post Office |
| 410 | Chautarwa | Parsa BO | 📍 845101 | Bagaha | Branch Post Office |
| 411 | Chautarwa | Patilar BO | 📍 845101 | Bagaha | Branch Post Office |
| 412 | Chegauna | Sidhaw BO | 📍 845105 | Sidhaw | Branch Post Office |
| 413 | Chhagurahi Banjariya | Bargo BO | 📍 845103 | Ramnagar | Branch Post Office |
| 414 | Chhapainia | Behari Bankatwa BO | 📍 845307 | Sikta | Branch Post Office |
| 415 | Chhardawali | Sihpur BO | 📍 845449 | Lauriya | Branch Post Office |
| 416 | Chharke | Sheorajpur BO | 📍 845438 | Nautan | Branch Post Office |
| 417 | Chhatiwanwan | Machhargawan BO | 📍 845452 | Jogapatti | Branch Post Office |
| 418 | Chhatraul | Rajwatia BO | 📍 845101 | Bagaha | Branch Post Office |
| 419 | Chhatraul | Harnatar BO | 📍 845105 | Sidhaw | Branch Post Office |
| 420 | Chhitmi | Padraun BO | 📍 845451 | Gaunaha | Branch Post Office |
| 421 | Chikni Banjariya | Bargo BO | 📍 845103 | Ramnagar | Branch Post Office |
| 422 | Chilwania | Chilwania BO | 📍 845104 | Madhubani | Branch Post Office |
| 423 | Chilwania | Madhubani SO | 📍 845104 | Thakrahan | Post Office - PO |
| 424 | Chirchirwa | Chilwania BO | 📍 845104 | Thakrahan | Branch Post Office |
| 425 | Chitamanpur | Maldi BO | 📍 845451 | Narkatiaganj | Branch Post Office |
| 426 | Chiuntaha | Cheutaha BO | 📍 845106 | Gaunaha | Branch Post Office |
| 427 | Chiutaha | Cheutaha BO | 📍 845106 | Sidhaw | Branch Post Office |
| 428 | Chiutaha | Ramnagar SO West Champaran | 📍 845106 | Ramnagar | Post Office - PO |
| 429 | Chiutaha | Pindari BO | 📍 845306 | Mainatanr | Branch Post Office |
| 430 | Chorhi | Jogapatti SO | 📍 845452 | Jogapatti | Post Office - PO |
| 431 | Chuhari | Chuhari SO | 📍 845450 | Chanpatia | Post Office - PO |
| 432 | Churahi | Sisai BO | 📍 845104 | Madhubani | Branch Post Office |
| 433 | Churamanpatti | Teluha BO | 📍 845459 | Nautan | Branch Post Office |
| 434 | Churiharwa | Lagunaha BO | 📍 845101 | Bagaha | Branch Post Office |
| 435 | Churiharwa | Bakhari Pachrukhia BO | 📍 845106 | Ramnagar | Branch Post Office |
| 436 | Churiharwa | Gudgudi BO | 📍 845106 | Ramnagar | Branch Post Office |
| 437 | Churiharwa Dubaulia | B.B. Bankatwa BO | 📍 845101 | Bagaha | Post Office - PO |
| 438 | D K Shikarpur | D.K.Shikarpur SO | 📍 845451 | Narkatiaganj | Branch Post Office |
| 439 | Dabariya | Mangalpur Gudaria BO | 📍 845459 | Nautan | Branch Post Office |
| 440 | Dabri | Jharmahuee BO | 📍 845103 | Bagaha | Branch Post Office |
| 441 | Dainmarwa | Dianmarawa BO | 📍 845103 | Ramnagar | Branch Post Office |
| 442 | Dainmarwa | Harinagar SO | 📍 845103 | Ramnagar | Post Office - PO |
| 443 | Damodarpur | Baijua BO | 📍 845438 | Bairia | Branch Post Office |
| 444 | Damrapur | Bagahi BO | 📍 845103 | Ramnagar | Branch Post Office |
| 445 | Damrapur | Semari Dumari BO | 📍 845106 | Ramnagar | Branch Post Office |
| 446 | Damrapur | Damrapur BO | 📍 845451 | Mainatanr | Branch Post Office |
| 447 | Damrapur | D.K.Shikarpur SO | 📍 845451 | Narkatiaganj | Branch Post Office |
| 448 | Danial Parsauna | Danial Parsauna BO | 📍 845449 | Lauriya | Branch Post Office |
| 449 | Daniyal Parsauna | Chanpatia R S SO | 📍 845449 | Chanpatia | Post Office - PO |
| 450 | Daraul | Goithahi BO | 📍 845455 | Gaunaha | Branch Post Office |