Reduce the list. Postcodes starting with:
Postcodes (31 items):
306-800 (2)
306-801 (2)
306-802 (2)
306-803 (1)
306-804 (1)
306-805 (1)
306-806 (1)
306-807 (1)
306-808 (1)
306-809 (1)
306-810 (2)
306-811 (1)
306-812 (1)
306-813 (1)
306-814 (1)
306-815 (2)
306-816 (2)
306-817 (2)
306-818 (2)
306-819 (2)
306-820 (1)
306-821 (2)
306-822 (2)
306-823 (1)
306-824 (2)
306-825 (1)
306-826 (2)
306-827 (1)
306-828 (1)
306-829 (1)
306-830 (1)
Postcodes (31 items):
306-800 (2)
306-801 (2)
306-802 (2)
306-803 (1)
306-804 (1)
306-805 (1)
306-806 (1)
306-807 (1)
306-808 (1)
306-809 (1)
306-810 (2)
306-811 (1)
306-812 (1)
306-813 (1)
306-814 (1)
306-815 (2)
306-816 (2)
306-817 (2)
306-818 (2)
306-819 (2)
306-820 (1)
306-821 (2)
306-822 (2)
306-823 (1)
306-824 (2)
306-825 (1)
306-826 (2)
306-827 (1)
306-828 (1)
306-829 (1)
306-830 (1)