| District | Website | Email | StdCode | Phone |
| Araria | http://araria.bih.nic.in | bihara@nic.in | 06453 | 224093 |
| Arwal | http://arwal.bih.nic.in | biharw@nic.in | 06337 | 229332 |
| Aurangabad | http://aurangabad.bih.nic.in | bihaur@nic.in | 06186 | 254544 |
| Banka | http://banka.bih.nic.in | bihban@nic.in | 06424 | 223119 |
| Begusarai | http://begusarai.bih.nic.in | bihbeg@nic.in | 06243 | 213915 |
| Bhagalpur | http://bhagalpur.bih.nic.in | bihbha@nic.in | 0641 | 2401099 |
| Bhojpur | http://bhojpur.bih.nic.in | bihbho@nic.in | 06182 | 242144 |
| Buxar | http://buxar.bih.nic.in | bihbux@nic.in | 06183 | 226486 |
| Darbhanga | http://darbhanga.bih.nic.in | bihdar@nic.in | 06272 | 243360 |
| East Champaran | http://eastchamparan.bih.nic.in | bihesc@nic.in | 06252 | 231500 |
| Gaya | http://gaya.bih.nic.in | bihgay@nic.in | 0631 | 2226428 |
| Gopalganj | http://gopalganj.bih.nic.in | bihgop@nic.in | 06156 | 225244 |
| Jamui | http://jamui.bih.nic.in | bihjam@nic.in | 06345 | 224442 |
| Jehanabad | http://jehanabad.bih.nic.in | bihjeh@nic.in | 06114 | 222302 |
| Kaimur | http://kaimur.bih.nic.in | bihkai@nic.in | 06189 | 222715 |
| Katihar | http://katihar.bih.nic.in | bihkat@nic.in | 06452 | 239405 |
| Khagaria | http://khagaria.bih.nic.in | bihkha@nic.in | 06244 | 223363 |
| Kishanganj | http://kishanganj.bih.nic.in | bihkis@nic.in | 06456 | 222958 |
| Lakhisarai | http://lakhisarai.bih.nic.in | bihlak@nic.in | 06346 | 233403 |
| Madhepura | http://madhepura.bih.nic.in | bihmae@nic.in | 06476 | 222580 |
| Madhubani | http://madhubani.bih.nic.in | bihmau@nic.in | 06276 | 222609 |
| Munger | http://munger.bih.nic.in | bihmun@nic.in | 06344 | 220434 |
| Muzaffarpur | http://muzaffarpur.bih.nic.in | bihmuz@nic.in | 0621 | 2215680 |
| Nalanda | http://nalanda.bih.nic.in | bihnal@nic.in | 06112 | 233592 |
| Nawada | http://nawada.bih.nic.in | bihnaw@nic.in | 06324 | 216614 |
| Patna | http://patna.bih.nic.in | bihpat@nic.in | 0612 | 2663544 |
| Purnea | http://purnea.bih.nic.in | bihpur@nic.in | 06454 | 243590 |
| Rohtas | http://rohtas.bih.nic.in | bihsas@nic.in | 06184 | 222937 |
| Saharsa | http://saharsa.bih.nic.in | bihsaa@nic.in | 06478 | 222501 |
| Samastipur | http://samastipur.bih.nic.in | bihsam@nic.in | 06274 | 227025 |
| Saran | http://saran.bih.nic.in | bihcha@nic.in | 06152 | 220542 |
| Sheikhpura | http://sheikhpura.bih.nic.in | bihsei@nic.in | 06341 | 225096 |
| Sheohar | http://sheohar.bih.nic.in | bihseo@nic.in | 06222 | 259095 |
| Sitamarhi | http://sitamarhi.bih.nic.in | bihsit@nic.in | 06226 | 250783 |
| Siwan | http://siwan.bih.nic.in | bihsiw@nic.in | 06154 | 243968 |
| Supaul | http://supaul.bih.nic.in | bihsup@nic.in | 06473 | 224190 |
| Vaishali | http://vaishali.bih.nic.in | bihhaj@nic.in | 06224 | 260384 |
| West Champaran | http://westchamparan.bih.nic.in | bihwsc@nic.in | 06254 | 244338 |