| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 251 | Bhatpura | Barhampura BO | 📍 847223 | Manigachhi | Branch Post Office |
| 252 | Bhatwan | Bargaon BO | 📍 848213 | Kusheshwar Asthan | Branch Post Office |
| 253 | Bhawani Nimaithi | Nimathi BO | 📍 847101 | Baheri | Branch Post Office |
| 254 | Bhawanipur | Narsara BO | 📍 846003 | Hanumannagar | Branch Post Office |
| 255 | Bhawanipur | Bhawanipur BO | 📍 847104 | Singhwara | Branch Post Office |
| 256 | Bhawanipur | Bijuli BO | 📍 847115 | Darbhanga | Branch Post Office |
| 257 | Bheemsada Mushari | Nowdega Balha BO | 📍 848209 | Biraul | Branch Post Office |
| 258 | Bheriahi | B.K.Asthan BO | 📍 846005 | Keotiranway | Branch Post Office |
| 259 | Bhidhi | Sonki BO | 📍 846009 | Darbhanga | Branch Post Office |
| 260 | Bhindi | Kharua BO | 📍 847115 | Darbhanga | Branch Post Office |
| 261 | Bhindua | Bhindua BO | 📍 848213 | Kusheshwar Asthan Purbi | Branch Post Office |
| 262 | Bhirua | Kuseshwar Asthan SO | 📍 848213 | Kusheshwar Asthan Purbi | Post Office - PO |
| 263 | Bhobhaul | Tarwara BO | 📍 847427 | Kiratpur | Branch Post Office |
| 264 | Bhojpatti | Pindaruch SO | 📍 847306 | Keotiranway | Post Office - PO |
| 265 | Bhokraha | Khirma BO | 📍 847121 | Keotiranway | Branch Post Office |
| 266 | Bholi | Laxmipur Kakorba BO | 📍 847203 | Kiratpur | Branch Post Office |
| 267 | Bhuskan | Gora Mansingh BO | 📍 847203 | Gora Bauram | Branch Post Office |
| 268 | Bhuskaul | Bhuskaul BO | 📍 846007 | Darbhanga | Branch Post Office |
| 269 | Bihar Nursary | Bihar Nursary BO | 📍 847123 | Singhwara | Branch Post Office |
| 270 | Bihari Makund | M.Sinuara BO | 📍 846003 | Hanumannagar | Branch Post Office |
| 271 | Bihatwara | B.K.Asthan BO | 📍 846005 | Keotiranway | Branch Post Office |
| 272 | Bihta | Kanhauli BO | 📍 847228 | Manigachhi | Branch Post Office |
| 273 | Bijuli | Bijuli BO | 📍 847115 | Darbhanga | Branch Post Office |
| 274 | Bikupatti | Sajhuar BO | 📍 847201 | Benipur | Branch Post Office |
| 275 | Binwara | B.K.Asthan BO | 📍 846005 | Keotiranway | Branch Post Office |
| 276 | Birampur | Bairampur BO | 📍 848209 | Biraul | Branch Post Office |
| 277 | Birampur | Deokuli BO | 📍 848209 | Biraul | Branch Post Office |
| 278 | Biraul | Balthari BO | 📍 847203 | Biraul | Branch Post Office |
| 279 | Biraul | Biraul SO | 📍 847203 | Biraul | Post Office - PO |
| 280 | Biraul | B.Russelpur BO | 📍 847203 | Biraul | Branch Post Office |
| 281 | Birchaka | Bhacchi BO | 📍 847101 | Baheri | Branch Post Office |
| 282 | Birdipur | Arai Birdipur BO | 📍 847106 | Singhwara | Branch Post Office |
| 283 | Birdipur | Laxmipur Kakorba BO | 📍 847203 | Kiratpur | Branch Post Office |
| 284 | Birkha | Chhacha BO | 📍 847337 | Keotiranway | Branch Post Office |
| 285 | Birkhauli | B.K.Asthan BO | 📍 846005 | Keotiranway | Branch Post Office |
| 286 | Birkhauli | S.Dangarwara BO | 📍 847306 | Keotiranway | Branch Post Office |
| 287 | Birna | Pindaruch SO | 📍 847306 | Keotiranway | Post Office - PO |
| 288 | Birna | K.Manjhigama BO | 📍 847306 | Keotiranway | Branch Post Office |
| 289 | Birnia | Mahpara BO | 📍 846009 | Bahadurpur | Branch Post Office |
| 290 | Bisambharpur | Kamrouli BO | 📍 847428 | Bahadurpur | Branch Post Office |
| 291 | Bisaul | D.M.C. SO | 📍 846003 | Hanumannagar | Branch Post Office |
| 292 | Bisaul | Tatuar BO | 📍 847422 | Manigachhi | Branch Post Office |
| 293 | Bisaul | Banauli BO | 📍 847428 | Singhwara | Branch Post Office |
| 294 | Bishambharpur | Kamrouli BO | 📍 847428 | Bahadurpur | Branch Post Office |
| 295 | Bisharia | Satighat BO | 📍 848213 | Kusheshwar Asthan | Branch Post Office |
| 296 | Bishunathpatti | Bharwara SO | 📍 847104 | Singhwara | Post Office - PO |
| 297 | Bishunathpur | Bishwanathpur Tarauni BO | 📍 847233 | Benipur | Branch Post Office |
| 298 | Bishunia | Ithar BO | 📍 848213 | Kusheshwar Asthan Purbi | Branch Post Office |
| 299 | Bishunpur | Goriari BO | 📍 846003 | Bahadurpur | Branch Post Office |
| 300 | Bishunpur | Narsara BO | 📍 846003 | Hanumannagar | Branch Post Office |