| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 351 | Chak Wali | B.Bira BO | 📍 846005 | Darbhanga | Branch Post Office |
| 352 | Chaka | Jorja BO | 📍 847101 | Baheri | Branch Post Office |
| 353 | Chaka | Garaul BO | 📍 847423 | Tardih | Branch Post Office |
| 354 | Chakka | Lalsahpur BO | 📍 846005 | Bahadurpur | Branch Post Office |
| 355 | Chakka | Lahwar BO | 📍 847337 | Keotiranway | Branch Post Office |
| 356 | Chakka | Garaul BO | 📍 847423 | Tardih | Branch Post Office |
| 357 | Chakla | Chakla BO | 📍 847201 | Baheri | Branch Post Office |
| 358 | Chakwa | Chakwa BO | 📍 847301 | Baheri | Branch Post Office |
| 359 | Chamarjana urf Dudhia | Pindaruch SO | 📍 847306 | Keotiranway | Post Office - PO |
| 360 | Chamropatti | Adhloam BO | 📍 847201 | Alinagar | Branch Post Office |
| 361 | Chamru Bishunpur | Kabirchak BO | 📍 846009 | Darbhanga | Branch Post Office |
| 362 | Chandana | Hayaghat Bilashpur SO | 📍 847301 | Hayaghat | Post Office - PO |
| 363 | Chandanpatti | Chandanpatti BO | 📍 846002 | Hayaghat | Branch Post Office |
| 364 | Chandar Dipa | Doghra BO | 📍 847302 | Jale | Branch Post Office |
| 365 | Chandauli | P.Basant BO | 📍 846003 | Hanumannagar | Branch Post Office |
| 366 | Chandauna | Chandauna BO | 📍 847303 | Jale | Branch Post Office |
| 367 | Chandaur | Chanaur BO | 📍 847422 | Manigachhi | Branch Post Office |
| 368 | Chandpatti | Chandanpatti BO | 📍 846002 | Darbhanga | Branch Post Office |
| 369 | Changwara | Ladaho BO | 📍 847203 | Biraul | Branch Post Office |
| 370 | Chataria | Subhankarpur SO | 📍 846006 | Bahadurpur | Post Office - PO |
| 371 | Chatra | B.K.Asthan BO | 📍 846005 | Keotiranway | Branch Post Office |
| 372 | Chhabila | Sonki BO | 📍 846009 | Darbhanga | Branch Post Office |
| 373 | Chhachha | Chhacha BO | 📍 847337 | Keotiranway | Branch Post Office |
| 374 | Chhaprar | Milkichak BO | 📍 846009 | Bahadurpur | Branch Post Office |
| 375 | Chharapatti | Tumaul BO | 📍 847405 | Ghanshyampur | Branch Post Office |
| 376 | Chhatauna | Narsara BO | 📍 846003 | Hanumannagar | Branch Post Office |
| 377 | Chhatwan | Chatwan BO | 📍 847337 | Keotiranway | Branch Post Office |
| 378 | Chhoataipatti | Chhotaipatti BO | 📍 847337 | Darbhanga | Branch Post Office |
| 379 | Chikni | R.A.P.Mills BO | 📍 846002 | Hayaghat | Branch Post Office |
| 380 | Chikni | Sonki BO | 📍 846009 | Darbhanga | Branch Post Office |
| 381 | Chilha Asli | Chilha Dilawarpur BO | 📍 847101 | Baheri | Branch Post Office |
| 382 | Chingri | Chigri BO | 📍 848213 | Kusheshwar Asthan | Branch Post Office |
| 383 | Chintamanpur | Laheriasarai HO | 📍 846001 | Bahadurpur | Head Post Office - H |
| 384 | Chorbandha | Laxmisagar SO Darbhanga | 📍 846009 | Bahadurpur | Post Office - PO |
| 385 | D Kasraur | D.Kasraur BO | 📍 847203 | Gora Bauram | Branch Post Office |
| 386 | Dabhrauli | Rupauli Ghat BO | 📍 846003 | Hanumannagar | Branch Post Office |
| 387 | Dadarwara | Harhachcha BO | 📍 847101 | Baheri | Branch Post Office |
| 388 | Dadpatti | Dadpatti BO | 📍 847405 | Tardih | Branch Post Office |
| 389 | Dagarsam | Kapchhahi BO | 📍 846009 | Bahadurpur | Branch Post Office |
| 390 | Dahsil | Katka BO | 📍 847307 | Singhwara | Branch Post Office |
| 391 | Dahura | Dahaura BO | 📍 847239 | Manigachhi | Branch Post Office |
| 392 | Dakhram | Trimuhanighat BO | 📍 847201 | Benipur | Branch Post Office |
| 393 | Dakhram | D.Pauri BO | 📍 847201 | Benipur | Branch Post Office |
| 394 | Dalaur | Banauli BO | 📍 847428 | Bahadurpur | Branch Post Office |
| 395 | Dalwa | B.K.Asthan BO | 📍 846005 | Keotiranway | Branch Post Office |
| 396 | Danha | Bauram BO | 📍 847203 | Kiratpur | Branch Post Office |
| 397 | Darbepur | Harinagar BO | 📍 848209 | Kusheshwar Asthan | Branch Post Office |
| 398 | Darbhanga | Darbhanga HO | 📍 846004 | Darbhanga | Head Post Office - H |
| 399 | Darhar | Laheriasarai HO | 📍 846001 | Bahadurpur | Head Post Office - H |
| 400 | Darhia | Dharia BO | 📍 847304 | Jale | Branch Post Office |