Number of Post Offices, Postmen & Letter Boxes, 2011-12 to 2020-21:
| Year | Head Post Office | Sub Post Office | Branch Post Office | Letter boxes (excluding those at post office) | Village Postmen |
| 2011-2012 | 1 | 38 | 350 | 89 | 366 |
| 2012-2013 | 1 | 38 | 346 | 97 | 366 |
| 2013-2014 | 1 | 38 | 349 | 97 | 366 |
| 2014-2015 | 1 | 38 | 350 | 97 | 366 |
| 2015-2016 | 1 | 38 | 350 | 75 | 366 |
| 2016-2017 | 1 | 38 | 344 | 100 | 366 |
| 2017-2018 | 1 | 38 | 344 | 96 | 481 |
| 2018-2019 | 1 | 38 | 344 | 248 | 344 |
| 2019-2020 | 1 | 38 | 343 | 308 | 343 |
| 2020-2021 | 1 | 39 | 347 | 121 | 343 |
Source: Statistical Abstract of Mizoram 2021
District-wise Number of Post Offices, Postmen & Letter Boxes, 2020-21:
| District/ State | Head Post Office | Sub Post Offices | Branch Post Offices | Letter Boxes (excluding those at post office) | Village Posting (rural delivery staff) |
| Mamit | 0 | 4 | 31 | 8 | 26 |
| Kolasib | 0 | 4 | 24 | 12 | 30 |
| Aizawl | 1 | 14 | 77 | 24 | 60 |
| Champhai | 0 | 2 | 34 | 16 | 32 |
| Serchhip | 0 | 4 | 22 | 10 | 29 |
| Lunglei | 0 | 4 | 54 | 10 | 30 |
| Lawngtlai | 0 | 1 | 17 | 10 | 30 |
| Siaha | 0 | 1 | 29 | 6 | 28 |
| Saitual | 0 | 3 | 28 | 7 | 27 |
| Khawzawl | 0 | 1 | 13 | 10 | 25 |
| Hnahthial | 0 | 1 | 18 | 8 | 26 |
| Total | 1 | 39 | 347 | 121 | 343 |
Source: Statistical Abstract of Mizoram 2021