Belfast
BT1 BT2 BT3 BT4 BT5 BT6 BT7 BT8 BT9 BT10 BT11 BT12 BT13 BT14 BT15 BT16 BT17 BT18 BT19 BT20 BT21 BT23 BT24 BT27 BT28 BT29 BT30 BT31 BT33 BT36 BT37 BT38 BT39 BT40.
Gilford
BT25 BT26 BT27 BT28 BT29 BT30 BT31 BT32 BT33 BT34 BT35 BT60 BT61 BT62 BT63 BT64 BT65 BT66 BT67 BT68 BT69 BT71.
Bellaghy
BT41 BT42 BT43 BT44 BT45 BT46 BT51 BT52 BT53 BT55 BT56 BT80.
Omagh
BT70 BT71 BT74 BT75 BT76 BT77 BT78 BT79 BT80 BT81 BT82 BT94.
Ellesmere Port
CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH25 CH26 CH27 CH28 CH29 CH30 CH31 CH32 CH33 CH34 CH41 CH42 CH43 CH44 CH45 CH46 CH47 CH48 CH49 CH60 CH61 CH62 CH63 CH64 CH65 CH66 CH70 CH88 CH99 CW1 CW2 CW3 CW4 CW5 CW6 CW7 CW8 CW9 CW10 CW11 CW12 CW98 LL11 LL12 LL13 LL15 LL16 LL17 LL18 LL19 LL22 SY14 W13 WA1 WA2 WA4 WA5 WA6 WA7 WA8 WA9 WA16
