AB31 to AB38, AB40 to AB56, IV1 to 28, IV30 to 32, IV36 & 40, IV52 to 54, IV63, KW1 to 14, PA21 to PA38, PH4 to PH41, PH49, PH50, PO30 - PO41, LL58-78. If you live in one of these areas below. AB, BT, DD, FK, GY, HS, JE, IV, KA, KW, KY, PA, PH, TD & ZE.