Hoofdstraat is een straat te Grootegast in de gemeente Grootegast en is gelegen in de Nederlandse provincie Groningen.
| Postcode | Huisnummers |
|---|---|
| 9861 AB | 51, 53, 55, 57, 59, 63, 65, 67, 69; |
| 9861 AC | 75, 77, 81A, 81B, 81, 89, 91, 93, 95, 97, 105; |
| 9861 AD | 107A, 107B, 107, 109A, 109B, 109C, 109, 111, 115, 117, 119A, 119B, 119C, 119, 121A, 121, 123, 125A, 125, 127, 129, 131, 133A, 133B, 133, 135; |
| 9861 AA | 43, 41, 39, 37, 35, 33, 31, 29, 27, 25, 23, 21, 21A, 19, 17, 15, 13, 11, 9, 7, 5, 3, 1, 1A; |
| 9861 AE | 139, 141, 147, 149, 153, 155, 157A, 157, 159A, 159, 161A, 161; |
| 9861 AG | 163, 165, 167, 169, 171A, 171, 173, 175, 177, 179; |
| 9861 AH | 2A, 2, 4, 6, 10, 16A, 16B, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38; |
| 9861 AJ | 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70A, 70, 72A, 72, 74, 76, 78, 80; |
| 9861 AK | 86, 88, 90, 92, 94, 96, 98, 100, 108, 110, 112A, 112, 114, 116A, 116B, 116, 118; |
| 9861 AL | 120, 122, 124, 126, 128, 130, 134, 136, 138, 140, 142, 144, 146, 148, 150; |
| 9861 AM | 156A, 156, 158A, 158, 160A, 160B, 160, 162A, 162, 164, 166, 168A, 168, 170A, 170B, 170, 172, 174, 176, 178; |