| Ward/Circle/Range/ Commissioner | Remark | Area Code | AO Type | Range Code | AO Number |
| City Area / Jurisdiction | |||||
| ACIT-TDS, GUWAHATI | -- | SHL | CT | 10 | 3 |
| ITO-TDS-1, GUWAHATI | MUNICIPAL WARD NOS. 30 TO 36 OF THE GUWAHATI MUNICIPAL CORPORATION, GUWAHATI IN KAMRUP, NAGAON AND MORIGAON DISTRICT IN THE STATE OF ASSAM. | SHL | WT | 10 | 1 |
| ITO-TDS-2, GUWAHATI | MUNICIPAL WARD NOS. 18,19,28 & 29 OF THE GUWAHATI MUNICIPAL CORPORATION, GUWAHATI IN KAMRUP, NALBARI AND BARPETA DISTRICT IN THE STATE OF ASSAM. | SHL | WT | 10 | 2 |
| ITO-TDS-3, GUWAHATI | MUNICIPAL WARD NOS. 1 TO 17 AND 20 TO 27 AND 37 TO 60 OF THE GUWAHATI MUNICIPAL CORPORATION, GUWAHATI IN KAMRUP, DISTRICT IN THE STATE OF ASSAM. OTHER AREAS OF KAMRUP DISTRICT NOT COVERED BY THE GUWAHATI MUNICIPAL CORPORATION IN THE STATE OF ASSAM. | SHL | WT | 10 | 3 |