| Code | District | Headquarter | Deputy Commissioner | Population (2011) | Area (km²) | Density (/km²) | Contact Nos. | Email id |
|---|
| 1 | Baksa | Mushalpur | Shri Sanjeeb Kr. Gogoi, IAS | 953773 | 2400 | 398 | Office-: 03624-234524 Residence: 03624-221574 Fax No: 03624-282769/234556 | dc-baksa@nic.in |
| 2 | Barpeta | Barpeta | Shri Thaneswar Malakar, IAS | 1693190 | 3245 | 506 | Office: 03665-252129 Residence: 03665-225105 Fax No: 03665-252059 | dc-barpeta@nic.in |
| 3 | Biswanath | Biswanath Chariali | Shri Dheeraj Jyoti Kalita, ACS | 5,80,000 | 1100 | 530 | | |
| 4 | Bongaigaon | Bongaigaon | Shri Babulal Sharma,ACS | 2060550 | 1724 | 425 | Office: 03664-230889 Residence: 03664-230891 Fax No: 03664-231338 | dcbongaigaon@gmail.com |
| 5 | Cachar | Silchar | Dr. S. Lakshmanan, IAS | 1736319 | 3786 | 381 | Office: 03842-245056 Residence: 03842-245054 Fax No: 03842-233000 | |
| 6 | Charaideo | Sonari | Shri Vibekananda Phookan, ACS | | | | | |
| 7 | Chirang | Kajalgaon | Shri Ratul Barua, ACS | 481818 | 1468 | 328 | Office: 03664-241992 Residence: 03664-242302 Fax No: 03664-241103 | chirang@nic.in |
| 8 | Darrang | Mangaldoi | Shri Ashok Barman, ACS | 908090 | 3481 | 432 | Office: 03713-222135 Residence: 03713-222138 Fax No: 03713-222153/222800 | deo-mangaldoi@nic.in |
| 9 | Dhemaji | Dhemaji | Smti. Roshni Apranji Korati, IAS | 688077 | 3237 | 176 | Office: 03753-224208 Residence: 03753-224203 Fax No: 03753-224393 | dhemaji@nic.in |
| 10 | Dhubri | Dhubri | Shri Anant Lal Gyani, IAS | 1948632 | 2838 | 576 | Office: 03662-230050 Residence: 03662-230303 Fax No: 03662-232760/230019 | |
| 11 | Dibrugarh | Dibrugarh | Smt. Laya Madduri, IAS | 1327748 | 3381 | 347 | Office: 0373-2316063 Residence: 0373-2316034 Fax No: 0373-2313800/2316034 | dio.dibrugar@nic.in |
| 12 | Goalpara | Goalpara | Smti Varnali Deka, IAS | 1008959 | 1824 | 451 | Office: 03663-240030 Residence: 03663-240028 Fax No: 03663-240314 | goalpara@nic.in |
| 13 | Golaghat | Golaghat | Shri Gaurav Bothra, IAS | 1058674 | 3502 | 270 | Office: 03774-280222 Residence: 03774-280221 Fax No: 03774-280455 | dcgolaghat@yahoo.co.in |
| 14 | Hailakandi | Hailakandi | Shri Adil Khan, IAS | 659260 | 1327 | 409 | Office: 03844-222251 Residence: 03844-222204 Fax No: 03844-222254/222496 | dc-hailakandi@nic.in |
| 15 | Hojai | Sankardev Nagar | Shri Manvendra Pratap Singh, IAS | 931218 | | | | |
| 16 | Jorhat | Jorhat | Shri Narayan Konwar, IAS | 1091295 | 2851 | 354 | Office: 0376-2320020 Residence: 0376-2320025 Fax No: 0376-2320073 | deo-jorhat@nic.in |
| 17 | Kamrup Metropolitan | Guwahati | Shri Virendra Mittal, IAS | 1260419 | 1528 | 820 | Office: 0361-2540149 Residence: 0361-2540104 Fax No: 0361-2544452 | dc-kamrup@nic.in |
| 18 | Kamrup (Rural) | Amingaon | Shri Kamal Kumar Baishya, ACS | 1517202 | 1527.84 | 520 | Office: 0361-2684404 Residence: 0361-2604343 Fax No: 0361-2684403 | kamrup@nic.in |
| 19 | Karbi Anglong | Diphu | Shri Mridul Kumar Mahanta. ACS | 965280 | 10434 | 78 | Office: 03671-272257 Residence: 03671-272255 Fax No: 03671-272693 | |
| 20 | Karimganj | Karimganj | Shri Pradip Kr. Talukdar, ACS | 1217002 | 1809 | 555 | Office: 03843-262345 Residence: 03843-262345 Fax No: 03843-264150 | dc-karimganj@nic.in |
| 21 | Kokrajhar | Kokrajhar | Shri Niranjan Baruah, ACS | 930404 | 3129 | 297 | Office: 03661-270741 Residence: 03661-270740 Fax No: 03661-270863 | |
| 22 | Lakhimpur | Lakhimpur | Dr. B.Jeevan, IAS | 1040644 | 2277 | 391 | Office: 03752-222196 Residence: 03752-222104 Fax No: 03752-222929 | a-lakhim@nic.in |
| 23 | Majuli | Majuli | Shri Debaprasad Misra,ACS | 167304 | 1250 | 300 | | |
| 24 | Morigaon | Morigaon | Shri Hemen Das, ACS | 957853 | 1704 | 455 | Office: 03678-240225 Residence: 03678-240235 Fax No: 03678-240308 | asmmrg@nic.in |
| 25 | Nagaon | Nagaon | Shri Biswajit Pegu, IAS | 2826007 | 3831 | 604 | Office: 03672-233185 Residence: 03672-233185 Fax No: 03672-233222 | nagaon@nic.in |
| 26 | Nalbari | Nalbari | Shri Sanjeeb Kr. Das, ACS | 769919 | 2257 | 504 | Office: 03624-220496 Residence: 03624-220218 Fax No: 03624-220469 | dc-nalbari@nic.in |
| 27 | Dima Hasao | Haflong | Shri Amitabh Rajkhowa,ACS | 213529 | 4888 | 38 | Office: 03673-236222 Residence: 03673-236221 Fax No: 03673-236090 | |
| 28 | Sivasagar | Sivasagar | Shri Pallav Gopal Jha, IAS | 1150253 | 2668 | 395 | Office: 03772-222137 Residence: 03772-222138 Fax No: 03772-222655 | dc-sibsagar@nic.in |
| 29 | Sonitpur | Tezpur | Shri Manoj Kr. Deka, IAS | 1925975 | 5324 | 315 | Office: 03712-220011 Residence: 03712-220005 Fax No: 03712-221601 | dc-sonitpur@nic.in |
| 30 | South Salmara Mankachar | Hatsingimari | Smti. Atika Sultana, ACS | 555114 | 568 | 980 | | |
| 31 | Tinsukia | Tinsukia | Shri Oinam Sarankumar Singh, IAS | 1316948 | 3790 | 303 | Office: 0374-2331572 Residence: 0374-2330576 Fax No: 0374-2333310 | tinsukia@nic.in |
| 32 | Udalguri | Udalguri | Shri Dilip Kr. Das, ACS | 832769 | 1676 | 497 | Office: 03711-224433 Residence: 03711-224282 Fax No: 03711-224433 | dc-udalguri@nic.in |
| 33 | West Karbi Anglong | Hamren | Shri Deva Jyoti Hazarika , ACS | | | | Office: 03667-230030 Residense: 03667-230040 Fax No. 03667-230025 | dc.westkarbianglong@gov.in |
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