Westerbuorren is een straat te Boornbergum in de gemeente Smallingerland en is gelegen in de Nederlandse provincie Friesland.
| Postcode | Huisnummers |
|---|---|
| 9212 PK | 57, 55, 51, 45, 41, 39, 35, 33, 31, 29, 27, 25, 23, 21, 19, 15, 11, 9, 9a, 7, 3, 3a, 1, 1b, 1a; |
| 9212 PL | 2, 4, 6, 8, 10, 12, 16, 18, 20, 22, 24, 26, 30, 32, 34, 36, 38, 54, 56a, 56, 66; |