| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 1001 | Custom Colony | Hajipur HO | 📍 844101 | Hajipur | Head Post Office - H |
| 1002 | Dabhaich | Dabhaichh BO | 📍 843110 | Patepur | Branch Post Office |
| 1003 | Dabur Gali | Hajipur HO | 📍 844101 | Hajipur | Head Post Office - H |
| 1004 | Dadanpur | Jhandaha SO | 📍 844505 | Jandaha | Post Office - PO |
| 1005 | Dadanpur | Chakjamal BO | 📍 844509 | Sahdai Buzurg | Branch Post Office |
| 1006 | Dafraha | Balukaram SO | 📍 844113 | Vaishali | Post Office - PO |
| 1007 | Dagru | Singhara SO | 📍 844126 | Mahua | Post Office - PO |
| 1008 | Dahu Das Ke Tola | Raghopur SO | 📍 844508 | Raghopur | Post Office - PO |
| 1009 | Daini | Kumar Bajitpur SO | 📍 843110 | Patepur | Post Office - PO |
| 1010 | Dakbunglow Road | Hajipur HO | 📍 844101 | Hajipur | Head Post Office - H |
| 1011 | Damaipatti | Navanagar BO | 📍 844503 | Bidupur | Branch Post Office |
| 1012 | Damodar Nagar | Anzanpeer Chok SO | 📍 844103 | Hajipur | Post Office - PO |
| 1013 | Damodarpur | Goraul SO | 📍 844118 | Goraul | Post Office - PO |
| 1014 | Damodarpur | Sarai SO | 📍 844125 | Raja Pakar | Post Office - PO |
| 1015 | Damodarpur Dumri | Goraul SO | 📍 844118 | Goraul | Post Office - PO |
| 1016 | Darabpur | Gorigama BO | 📍 844507 | Mahnar | Branch Post Office |
| 1017 | Darabpur | Mahnar Road Rs SO | 📍 844507 | Mahnar | Post Office - PO |
| 1018 | Darbeshpur | Sarai SO | 📍 844125 | Raja Pakar | Post Office - PO |
| 1019 | Dargah Bela | Dargah Bela BO | 📍 843104 | Patepur | Branch Post Office |
| 1020 | Darhua | Patepur SO | 📍 843114 | Patepur | Post Office - PO |
| 1021 | Darhua | Sultanpur BO | 📍 844506 | Patepur | Branch Post Office |
| 1022 | Darpur | Mahnar Road Rs SO | 📍 844507 | Mahnar | Post Office - PO |
| 1023 | Daskurwa | Khesrahi BO | 📍 843114 | Patepur | Branch Post Office |
| 1024 | Daudnagar | Balukaram SO | 📍 844113 | Vaishali | Post Office - PO |
| 1025 | Daudnagar | Daudnagar BO | 📍 844113 | Vaishali | Branch Post Office |
| 1026 | Daudnagar Motaluke Damaipatti | Bishunpur Rajkhand BO | 📍 844503 | Bidupur | Branch Post Office |
| 1027 | Daulatpur | Hajipur IndArea SO | 📍 844102 | Hajipur | Post Office - PO |
| 1028 | Daulatpur Chandi | Anzanpeer Chok SO | 📍 844103 | Hajipur | Post Office - PO |
| 1029 | Daulatpur Chandi | Harauli BO | 📍 844103 | Hajipur | Branch Post Office |
| 1030 | Daulatpur Chandi | Dharhara SO Vaishali | 📍 844117 | Hajipur | Post Office - PO |
| 1031 | Daulatpur Deoria | Hajipur IndArea SO | 📍 844102 | Hajipur | Post Office - PO |
| 1032 | Daulatpur Deoria urf Daulatpur | Subhai BO | 📍 844102 | Hajipur | Branch Post Office |
| 1033 | Daulatpur Mal Jhirua | Hajipur IndArea SO | 📍 844102 | Hajipur | Post Office - PO |
| 1034 | Davaich | Kumar Bajitpur SO | 📍 843110 | Patepur | Post Office - PO |
| 1035 | Davaichtola | Kumar Bajitpur SO | 📍 843110 | Patepur | Post Office - PO |
| 1036 | Dayalpur | Bhagwatpur Taraura BO | 📍 844122 | Mahua | Branch Post Office |
| 1037 | Dayalpur | Mahuwa SO | 📍 844122 | Mahua | Post Office - PO |
| 1038 | Dayalpur | Bidupur Rs SO | 📍 844502 | Raja Pakar | Post Office - PO |
| 1039 | Dayalpur Garh | Bidupur Rs SO | 📍 844502 | Raja Pakar | Post Office - PO |
| 1040 | Dayalpur Sapha | Dayalpur Garh BO | 📍 844502 | Hajipur | Branch Post Office |
| 1041 | Deep Narayan Singh Colony | Anzanpeer Chok SO | 📍 844103 | Hajipur | Post Office - PO |
| 1042 | DELHU | Mahuwa SO | 📍 844122 | Mahua | Post Office - PO |
| 1043 | DELHU | Naharpur BO | 📍 844122 | Mahua | Branch Post Office |
| 1044 | Deochand | Bidupur Bazar SO | 📍 844503 | Bidupur | Post Office - PO |
| 1045 | Derhpura | Chakjamal BO | 📍 844509 | Sahdai Buzurg | Branch Post Office |
| 1046 | Desri | Desari SO | 📍 844504 | Desri | Post Office - PO |
| 1047 | Devraj Path South | Anzanpeer Chok SO | 📍 844103 | Hajipur | Post Office - PO |
| 1048 | Dhamauli | Bidupur Rs SO | 📍 844502 | Raja Pakar | Post Office - PO |
| 1049 | Dhamaun | Mahnar SO | 📍 844506 | Mahnar | Post Office - PO |
| 1050 | Dhanauti | Khanpur Pakari BO | 📍 844115 | Bidupur | Branch Post Office |