Posthoorn is een straat te Barger-Compascuum in de gemeente Emmen en is gelegen in de Nederlandse provincie Drenthe.
| Postcode | Huisnummers |
|---|---|
| 7884 PA | 31, 33, 35, 37, 39, 41, 43, 45, 47, 29, 27, 25, 23, 21, 19, 17, 15, 13, 11, 9, 7, 5, 3, 1; |
| 7884 PB | 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99; |
| 7884 NB | 18, 16, 14, 12, 10, 8, 6, 4, 2; |
| 7884 PE | 96, 98, 100, 108, 110, 112, 114, 116, 118, 120, 122, 62, 64, 66, 68, 70, 72, 74, 76, 84, 86, 88, 90, 94; |