| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 751 | Dharahra | English BO | 📍 841239 | Mairwa | Branch Post Office |
| 752 | Dharajpur | Sikandrpur BO | 📍 841434 | Barharia | Branch Post Office |
| 753 | Dharam Makariar | Hasua BO | 📍 841436 | Siwan | Branch Post Office |
| 754 | Dharamkhor | Bardaha BO | 📍 841245 | Ziradei | Branch Post Office |
| 755 | Dharampur | Bhikhpur BO | 📍 841237 | Hussainganj | Branch Post Office |
| 756 | Dharampur | Zeradei SO | 📍 841245 | Ziradei | Post Office - PO |
| 757 | Dharampur | Bhikhpur BO | 📍 841408 | Bhagwanpur Hat | Branch Post Office |
| 758 | Dharampur | Bhlua BO | 📍 841435 | Guthani | Branch Post Office |
| 759 | Dharampur Nawka Tola | Bhikhpur BO | 📍 841237 | Hussainganj | Branch Post Office |
| 760 | Dharamraj | Sughri BO | 📍 841406 | Bhagwanpur Hat | Branch Post Office |
| 761 | Dharmwa | Patar BO | 📍 841502 | Andar | Branch Post Office |
| 762 | Dharni Chhapra | Bargaon BO | 📍 841239 | Mairwa | Branch Post Office |
| 763 | Dhaula | Chitakhal BO | 📍 841435 | Guthani | Branch Post Office |
| 764 | Dhebar | Machuta BO | 📍 841233 | Daraundha | Post Office - PO |
| 765 | Dhobwalia | Jigrawan BO | 📍 841238 | Maharajganj | Branch Post Office |
| 766 | Dhobwalia tola | Sahatwar BO | 📍 841439 | Goriakothi | Branch Post Office |
| 767 | Dhonrhpur | Siktia BO | 📍 841244 | Bhagwanpur Hat | Branch Post Office |
| 768 | Dhorhaha | Raghunathpur SO Siwan | 📍 841504 | Raghunathpur | Post Office - PO |
| 769 | Dhorhahi | Gangpur Siswan SO | 📍 841210 | Siswan | Post Office - PO |
| 770 | Dhum Nagar | Sahrkola BO | 📍 841406 | Basantpur | Branch Post Office |
| 771 | Dhusa | Punak BO | 📍 841239 | Mairwa | Branch Post Office |
| 772 | Diara Ailashgarh Naubarar | Jaijore BO | 📍 841231 | Andar | Branch Post Office |
| 773 | Diara Bhaw Singh | Rajpur BO | 📍 841504 | Raghunathpur | Branch Post Office |
| 774 | Diara Darauli | Darauli SO | 📍 841234 | Darauli | Post Office - PO |
| 775 | Diara Harnatanr | Harnatar BO | 📍 841235 | Darauli | Branch Post Office |
| 776 | Diara kashidat | Darauli SO | 📍 841234 | Darauli | Post Office - PO |
| 777 | Diara Maniar Tukra I | Darauli SO | 📍 841234 | Darauli | Post Office - PO |
| 778 | Diara Maniar Tukra II | Darauli SO | 📍 841234 | Darauli | Post Office - PO |
| 779 | Diara Maniara Tukra 1 | Jaijore BO | 📍 841231 | Andar | Branch Post Office |
| 780 | Diara Mohazi Kashidatta | Darauli SO | 📍 841234 | Darauli | Post Office - PO |
| 781 | Diara Nauabad | Darauli SO | 📍 841234 | Darauli | Post Office - PO |
| 782 | Dibi | Chandparsa BO | 📍 841240 | Hasanpura | Branch Post Office |
| 783 | Dibi | Merhi BO | 📍 841240 | Daraundha | Branch Post Office |
| 784 | Dichhitpur | Saraya Sah Mohamd BO | 📍 841506 | Goriakothi | Branch Post Office |
| 785 | Dighwaliya | Dighwalia BO | 📍 841203 | Raghunathpur | Branch Post Office |
| 786 | Dihiya | Pipra Naryan BO | 📍 841506 | Pachrukhi | Branch Post Office |
| 787 | Dihiya Prathmik Vidyalay Dindayalpur | Dindayalpur BO | 📍 841506 | Barharia | Branch Post Office |
| 788 | Dihu tola | Balhu BO | 📍 841234 | Darauli | Branch Post Office |
| 789 | Diladas Ke Mathia | Khujhwa SO | 📍 841502 | Raghunathpur | Post Office - PO |
| 790 | Dilawarpur | Andar SO | 📍 841231 | Andar | Post Office - PO |
| 791 | Dilawarpur | Nand Pur Amwari BO | 📍 841231 | Raghunathpur | Branch Post Office |
| 792 | Dilshadpur | Hulesra BO | 📍 841408 | Bhagwanpur Hat | Branch Post Office |
| 793 | Dinapatti | Bhartpura BO | 📍 841506 | Pachrukhi | Branch Post Office |
| 794 | Dindayal Rai ke Tola | Barhulia BO | 📍 841245 | Ziradei | Branch Post Office |
| 795 | Dindayalpur Mauje | Dindayalpur BO | 📍 841506 | Barharia | Branch Post Office |
| 796 | Dipni | Bagaura SO | 📍 841404 | Hasanpura | Post Office - PO |
| 797 | District Board | Siwan HO | 📍 841226 | Siwan | Head Post Office - H |
| 798 | Distt & session judge | Siwan HO | 📍 841226 | Siwan | Head Post Office - H |
| 799 | DIvedi colony | Siwan HO | 📍 841226 | Siwan | Head Post Office - H |
| 800 | Diyara Keotalia | Keotalia BO | 📍 841234 | Darauli | Branch Post Office |