| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 401 | Bichala Tola | Bhalunidham BO | 📍 802218 | Dinara | Branch Post Office |
| 402 | Bichiaon | Surware Ke Bararhi BO | 📍 802218 | Dinara | Branch Post Office |
| 403 | Bideshi Tola | Akorhi Bazar SO | 📍 821301 | Akorhi Gola | Post Office - PO |
| 404 | Bidhi Khap Mathia | Saraon BO | 📍 802218 | Dinara | Branch Post Office |
| 405 | Bihar Dihra | Kochas SO | 📍 821112 | Kochas | Post Office - PO |
| 406 | Bijan Dehra | Khudru BO | 📍 821112 | Kochas | Branch Post Office |
| 407 | Bijarhi | Dumari BO | 📍 821104 | Chenari | Branch Post Office |
| 408 | Bikram Bigha | Dhanaw English BO | 📍 821310 | Nasriganj | Branch Post Office |
| 409 | Bikram Bigha | Tilouthu SO | 📍 821312 | Tilouthu | Post Office - PO |
| 410 | Bikram Ganj | Bikramganj SO | 📍 802212 | Bikramganj | Post Office - PO |
| 411 | Bikramganj | Dhangain BO | 📍 802212 | Bikramganj | Branch Post Office |
| 412 | Bikramganj | Tenduni Chauk SO | 📍 802212 | Bikramganj | Post Office - PO |
| 413 | Bikrampur | Gara BO | 📍 821112 | Kochas | Branch Post Office |
| 414 | Bilari | Silari BO | 📍 821111 | Sheosagar | Branch Post Office |
| 415 | Bindaulia | Kochas SO | 📍 821112 | Kochas | Post Office - PO |
| 416 | Biraini | Motha BO | 📍 802212 | Bikramganj | Branch Post Office |
| 417 | Birajpur | Gotpa BO | 📍 821113 | Sasaram | Branch Post Office |
| 418 | Biranpur | Kochas SO | 📍 821112 | Kochas | Post Office - PO |
| 419 | Birki | Nauhatta BO | 📍 821304 | Nauhatta | Branch Post Office |
| 420 | Birna | Sikthi BO | 📍 802213 | Dinara | Branch Post Office |
| 421 | Birnagar | Chenari SO | 📍 821104 | Chenari | Post Office - PO |
| 422 | Birodih | Pawani BO | 📍 821310 | Nasriganj | Branch Post Office |
| 423 | Birrouwa Kala | Rajpur BO | 📍 802218 | Dinara | Branch Post Office |
| 424 | Birrowa Khurd | Rajpur BO | 📍 802218 | Dinara | Branch Post Office |
| 425 | Biseni Khurd | Kharari BO | 📍 802215 | Nokha | Branch Post Office |
| 426 | Biseni Khurd | Bisheni Kala BO | 📍 802219 | Rajpur | Branch Post Office |
| 427 | Bishambharpur | Kaniyari BO | 📍 802213 | Dinara | Branch Post Office |
| 428 | Bishambharpur | Bhaluahi BO | 📍 802215 | Nokha | Branch Post Office |
| 429 | Bishambharpur | Chhatauna BO | 📍 802215 | Nokha | Branch Post Office |
| 430 | Bishambharpur | Bishambhrpur BO | 📍 802218 | Dinara | Branch Post Office |
| 431 | Bisheni Kalan | Bisheni Kala BO | 📍 802219 | Rajpur | Branch Post Office |
| 432 | Bishrampur | Hurka BO | 📍 821312 | Dehri | Branch Post Office |
| 433 | Bishrampur Tola | Karwandia BO | 📍 821305 | Sasaram | Branch Post Office |
| 434 | Bishun Bigha | Akorhi BO | 📍 821301 | Akorhi Gola | Branch Post Office |
| 435 | Bishunpur | Kaniyari BO | 📍 802213 | Dinara | Branch Post Office |
| 436 | Bishunpur | Baradih BO | 📍 802214 | Karakat | Branch Post Office |
| 437 | Bishunpur | Natwar SO | 📍 802218 | Dinara | Post Office - PO |
| 438 | Bishunpur | Baulia SO | 📍 821304 | Nauhatta | Post Office - PO |
| 439 | Bishunpur Tola | Bishunpur BO | 📍 802219 | Rajpur | Branch Post Office |
| 440 | Bishunpura | Baraon BO | 📍 802215 | Nokha | Branch Post Office |
| 441 | Bishunpura | Puhpi BO | 📍 802218 | Dinara | Branch Post Office |
| 442 | Bishunpura | Nahauna BO | 📍 821305 | Sasaram | Branch Post Office |
| 443 | Bishwanath Tola | Sikarian Ultenganj BO | 📍 821310 | Sasaram | Branch Post Office |
| 444 | Bisniya Bal | Jamorhi BO | 📍 802212 | Bikramganj | Branch Post Office |
| 445 | Bisodehri | Bisodihri BO | 📍 821108 | Kargahar | Branch Post Office |
| 446 | Bisopur | Khanaithi BO | 📍 821107 | Kochas | Branch Post Office |
| 447 | Bisrampur | Chhotki Chenari BO | 📍 821113 | Sheosagar | Branch Post Office |
| 448 | Bisrampur | Nahauna BO | 📍 821305 | Sasaram | Branch Post Office |
| 449 | Bisunpur | Bishunpur BO | 📍 802219 | Rajpur | Branch Post Office |
| 450 | Bithani | Arthu BO | 📍 802218 | Dinara | Branch Post Office |