| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 151 | Bansara | Pacharhi BO | 📍 847337 | Keotiranway | Branch Post Office |
| 152 | Banswara | Araila BO | 📍 847106 | Hanumannagar | Branch Post Office |
| 153 | Banwari Patti | Keoti Ranway SO | 📍 847121 | Keotiranway | Post Office - PO |
| 154 | Barahi | Barhi BO | 📍 846005 | Keotiranway | Branch Post Office |
| 155 | Barahi Abuara | Barhi BO | 📍 846005 | Keotiranway | Branch Post Office |
| 156 | Barania | Ithar BO | 📍 848213 | Kusheshwar Asthan Purbi | Branch Post Office |
| 157 | Baraur | Kusothar SO | 📍 847429 | Bahadurpur | Post Office - PO |
| 158 | Bargaon | Bargaon BO | 📍 848213 | Kusheshwar Asthan | Branch Post Office |
| 159 | Bargawan | Kothram BO | 📍 847203 | Gora Bauram | Branch Post Office |
| 160 | Barhampur | Aurahi BO | 📍 847203 | Kusheshwar Asthan | Branch Post Office |
| 161 | Barhampur | Barhampura BO | 📍 847223 | Manigachhi | Branch Post Office |
| 162 | Barhampur | Brahampur Sotia BO | 📍 847307 | Jale | Branch Post Office |
| 163 | Barhampura | Brahampura BO | 📍 847422 | Manigachhi | Branch Post Office |
| 164 | Barhaulia | Barhaulia BO | 📍 847106 | Singhwara | Branch Post Office |
| 165 | Barheta | Laheriasarai HO | 📍 846001 | Bahadurpur | Head Post Office - H |
| 166 | Barhmotar | Pokhar Bhinda BO | 📍 847407 | Tardih | Branch Post Office |
| 167 | Barhmotara | Thalwara BO | 📍 846002 | Hayaghat | Branch Post Office |
| 168 | Bariaul | Bariaul BO | 📍 846005 | Keotiranway | Branch Post Office |
| 169 | Barna Barenda | Banda BO | 📍 848209 | Kusheshwar Asthan | Branch Post Office |
| 170 | Barra | Barra BO | 📍 848206 | Kusheshwar Asthan | Branch Post Office |
| 171 | Barsanda | Banda BO | 📍 848209 | Kusheshwar Asthan | Branch Post Office |
| 172 | Baruara | Kusothar SO | 📍 847429 | Bahadurpur | Post Office - PO |
| 173 | Basaila | G.Basailha BO | 📍 846007 | Darbhanga | Branch Post Office |
| 174 | Basant | P.Basant BO | 📍 846003 | Hanumannagar | Branch Post Office |
| 175 | Basatpur | Ughra BO | 📍 847101 | Bahadurpur | Branch Post Office |
| 176 | Basaul | Balha BO | 📍 848209 | Kusheshwar Asthan | Branch Post Office |
| 177 | Basaul | Kuseshwar Asthan SO | 📍 848213 | Kusheshwar Asthan | Post Office - PO |
| 178 | Basauli | Arai Birdipur BO | 📍 847106 | Singhwara | Branch Post Office |
| 179 | Basdeopur | B.Bira BO | 📍 846005 | Darbhanga | Branch Post Office |
| 180 | Basdeopur | Kapchhahi BO | 📍 846009 | Bahadurpur | Branch Post Office |
| 181 | Baskatti BO | Baskatti BO | 📍 847202 | Darbhanga | Branch Post Office |
| 182 | Bastauli | Lalsahpur BO | 📍 846005 | Bahadurpur | Branch Post Office |
| 183 | Bastwara | Basatwara BO | 📍 847428 | Singhwara | Branch Post Office |
| 184 | Basuham | Bahera SO | 📍 847201 | Benipur | Post Office - PO |
| 185 | Basuli | Ganaun BO | 📍 847427 | Gora Bauram | Branch Post Office |
| 186 | Baswara | Tumaul BO | 📍 847405 | Ghanshyampur | Branch Post Office |
| 187 | Bataul | Hariharpur BO | 📍 847306 | Singhwara | Branch Post Office |
| 188 | Bath | Adharpur BO | 📍 847427 | Gora Bauram | Branch Post Office |
| 189 | Batha | Bauharwa BO | 📍 847423 | Manigachhi | Branch Post Office |
| 190 | Bathay | Garaul BO | 📍 847423 | Tardih | Branch Post Office |
| 191 | Bathia | Bathia BO | 📍 847423 | Manigachhi | Branch Post Office |
| 192 | Batho | Batho BO | 📍 847233 | Benipur | Branch Post Office |
| 193 | Bauram | Bauram BO | 📍 847203 | Gora Bauram | Branch Post Office |
| 194 | Bazidpur | Darbhanga HO | 📍 846004 | Bahadurpur | Head Post Office - H |
| 195 | Bazidpur | Kothia BO | 📍 847306 | Keotiranway | Branch Post Office |
| 196 | Bazidpur | Singhia Deorhi BO | 📍 847306 | Keotiranway | Branch Post Office |
| 197 | Bazidpur | Bazitpur BO | 📍 847422 | Manigachhi | Branch Post Office |
| 198 | Bedaul | Bhuskaul BO | 📍 846007 | Darbhanga | Branch Post Office |
| 199 | Bedauli | Lakhanpur BO | 📍 847307 | Singhwara | Branch Post Office |
| 200 | Bedauli | Sanahpurdih BO | 📍 847307 | Singhwara | Branch Post Office |