| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 351 | Chaunhi Badh | Pirmokam BO | 📍 854114 | Falka | Branch Post Office |
| 352 | Chauni | Parveli BO | 📍 855105 | Kadwa | Branch Post Office |
| 353 | Chaunti | Parveli BO | 📍 855105 | Kadwa | Branch Post Office |
| 354 | Chetana | Bathna BO | 📍 854317 | Barsoi | Branch Post Office |
| 355 | Chhaghara | Chhoghra BO | 📍 855102 | Barsoi | Branch Post Office |
| 356 | Chhagharia | Salmari SO | 📍 855113 | Azamnagar | Post Office - PO |
| 357 | Chhamman Milik | Rounia BO | 📍 854104 | Barari | Branch Post Office |
| 358 | Chhamna | Sitalmani BO | 📍 855102 | Azamnagar | Branch Post Office |
| 359 | Chhatian Pipra | Parveli BO | 📍 855105 | Kadwa | Branch Post Office |
| 360 | Chhatra Mani | Sitalmani BO | 📍 855102 | Azamnagar | Branch Post Office |
| 361 | Chhohar | Chhohar BO | 📍 854114 | Sameli | Branch Post Office |
| 362 | Chhohar Milik | Chhohar BO | 📍 854114 | Sameli | Branch Post Office |
| 363 | Chhota Sikarpur | Bathna BO | 📍 854317 | Barsoi | Branch Post Office |
| 364 | Chhotki Chatar | Morsanda BO | 📍 854108 | Falka | Branch Post Office |
| 365 | Chichaura | Dasgram BO | 📍 855102 | Barsoi | Branch Post Office |
| 366 | Chilhania | Paharpur BO | 📍 854113 | Amdabad | Branch Post Office |
| 367 | Chilhania | Dilli Diwanganj BO | 📍 854117 | Amdabad | Branch Post Office |
| 368 | Chilhapara | Telta BO | 📍 854317 | Balrampur | Branch Post Office |
| 369 | Chilia | Telta BO | 📍 854317 | Balrampur | Branch Post Office |
| 370 | Chitauria | Bansgarha BO | 📍 854115 | Mansahi | Branch Post Office |
| 371 | Chopra | Parveli BO | 📍 855105 | Kadwa | Branch Post Office |
| 372 | Chorkhora | Barsoi SO | 📍 855102 | Barsoi | Post Office - PO |
| 373 | Chouki Hajipur | Chowki Haripur BO | 📍 855105 | Kadwa | Branch Post Office |
| 374 | Chowkchama | Amdabad SO | 📍 854112 | Amdabad | Post Office - PO |
| 375 | Dagrapara | Bighor BO | 📍 854317 | Barsoi | Branch Post Office |
| 376 | Dahania | Azamnagar BO | 📍 855113 | Azamnagar | Branch Post Office |
| 377 | Daharia | Daharia Molls SO | 📍 854103 | katihar | Post Office - PO |
| 378 | Dahra | Bighor BO | 📍 854317 | Balrampur | Branch Post Office |
| 379 | Dahripar Dugachhia | Chhohar BO | 📍 854114 | Sameli | Branch Post Office |
| 380 | Daitaul | B.Balrampur BO | 📍 854317 | Balrampur | Branch Post Office |
| 381 | Dakaitpuja | Barsoi SO | 📍 855102 | Barsoi | Post Office - PO |
| 382 | Dakhi | Barsoi SO | 📍 855102 | Barsoi | Post Office - PO |
| 383 | Dakhi | Balia Belon BO | 📍 855113 | Kadwa | Branch Post Office |
| 384 | Dakra | Manihari SO | 📍 854113 | Amdabad | Post Office - PO |
| 385 | Dakra | Dilli Diwanganj BO | 📍 854117 | Amdabad | Branch Post Office |
| 386 | Dakra English | Manihari SO | 📍 854113 | Amdabad | Post Office - PO |
| 387 | Dakra English | Dilli Diwanganj BO | 📍 854117 | Amdabad | Branch Post Office |
| 388 | Dalalpur | Sadapur BO | 📍 855113 | Kadwa | Branch Post Office |
| 389 | Dalan | Dalan BO | 📍 854106 | katihar | Branch Post Office |
| 390 | Damaipur | Shihipur BO | 📍 855113 | Azamnagar | Branch Post Office |
| 391 | Damdolia | Chhoghra BO | 📍 855102 | Barsoi | Branch Post Office |
| 392 | Damodarpur | Shihipur BO | 📍 855113 | Azamnagar | Branch Post Office |
| 393 | Damodarpur Chhota Taraf | Shihipur BO | 📍 855113 | Azamnagar | Branch Post Office |
| 394 | Dand Khora | Sonaili SO | 📍 855114 | Dandkhora | Post Office - PO |
| 395 | Dandkhora | Dandkhora BO | 📍 855114 | Dandkhora | Branch Post Office |
| 396 | Dandkhora | Sonaili SO | 📍 855114 | Dandkhora | Post Office - PO |
| 397 | Darhabari | Kant Nagar BO | 📍 854104 | Barari | Branch Post Office |
| 398 | Daribhita | B.Balrampur BO | 📍 854317 | Balrampur | Branch Post Office |
| 399 | Darmahi | Pirmokam BO | 📍 854114 | Falka | Branch Post Office |
| 400 | Darondha Milik | K.N. Guru Mela BO | 📍 854104 | Barari | Branch Post Office |