| Select | Ward/Circle/Range/ Commissioner | Area Code | AO Type | Range Code | AO Number |
| DCIT/ACIT CIR-1, GUWAHATI | SHL | C | 1 | 1 | |
| WARD 2(3), EXEMP, Guwahati | DLC | WX | 259 | 3 | |
| ACIT CIR-2, GUWAHATI | SHL | C | 2 | 1 | |
| ITO W-1(1), GUWAHATI | SHL | W | 1 | 1 | |
| ITO W-1(2), GUWAHATI | SHL | W | 1 | 2 | |
| ITO W-2(1), GUWAHATI | SHL | W | 2 | 1 | |
| ITO WARD 1(3), GUWAHATI/ | SHL | W | 1 | 9 |