Telegraph Offices opened in the Northern Territory from 1872:
| Telegraph Office | Opening | Date | Type of office | Region of NT | Notes |
| 46 Mile | 1914 | ||||
| Alice Springs | 22 Aug | 1872 | TO | OTL | 1,019 miles from Adelaide. |
| Banka Banka | 27 Dec | 1921 | TO | 1,416 miles from Adelaide | |
| Barrow Creek | 24 Aug | 1872 | TO | OTL | 1,161 miles from Adelaide. P&T 1914 when Powell had the Alice mail contract. PO 30 March 1915; closed 31 December 1979. |
| Beltana | TO | OTL | |||
| Birdham (Mil. T.O.) | 1942 | TO | Below Katherine | ||
| Blood's Creek | 17 May | 1932 | TO | 28 k from Charlotte Waters. | Closed 23 November 1942. |
| Brock's Creek | Apr | 1898 | TO | ||
| Burrundie | 9 Dec | 1888 | P&T | Merged with PO. | |
| Charlotte Waters | January | 1878 | TO | OTL | PO opened January 1878; TO August 1930; closed 31 August 1938. |
| Daly Waters | 11 August | 1872 | P&T | OTL | Merged with PO. |
| Elsey Camp | 1882 | P&T | OTL | OLT Repeater station | |
| Emungalan | 15 May | 1919 | |||
| Grove Hill | 1 July | 1946 | TO | Closed 5 July 1979. | |
| Horseshoe Bend NT | 1923 | TO | CN and status from TO to Allowance Office | ||
| Katherine | TO | OTL | |||
| Maranboy | 26 Oct | 1915 | TO | PO opened as Marranboy on 27 May 1914. Changed to a TO in 1925 and then reverted to a PO in 1927. |
|
| Maryvale | 21 January | 1934 | TO | Closed 8 September 1982. | |
| Newcastle Waters | Sept | 1910 | TO | ||
| Palmerston | March | 1869 | TO | OTL | Relocated to Port Darwin Telegraph Office March 1873. |
| Peake | TO | OTL | |||
| Pine Creek | 30 December | 1873 | TO | OTL | |
| Port Darwin | 22 August | 1872 | TO | OTL | |
| Powell Creek | 1 March | 1874 | TO | OTL | |
| Rum Jungle NT | May | 1913 | |||
| Rumbalara NT | 1 Dec | 1930 | |||
| Southport | 21 Aug | 1873 | TO | OTL | |
| Strangways Springs | September ? | 1872 | TO | OTL | |
| Tennant Creek | 24 Aug | 1872 | TO | OTL | Repeater station |
| Union Town | 2 June | 1890 | P&T | ||
| Wauchope Well | 1 April | 1939 | TO | ||
| Wonarah | 10 April | 1946 | TO | Closed December 1974. | |
| Yam Creek | 2 December | 1872 | TO | OTL | TO 2 December 1872; PO March 1874; closed 30 September 1889. |