Willem-Alexanderpoort is een straat te Uithoorn in de gemeente Uithoorn en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 1421 CG | 51, 53, 55, 57, 59, 61, 63, 65, 49, 47, 45, 43, 41, 39, 37, 35, 33, 31, 29, 27, 25, 23, 21, 19, 17, 15, 13, 11, 9, 7, 5, 1, 67, 69, 71, 73, 75, 77, 79, 81, 83; |
| 1421 CH | 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 66, 68, 70, 72, 74, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32; |
| 1421 CJ | 76, 78, 80, 82, 84, 86, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108; |