Northern Ireland Postal Codes, United Kingdom
| Postal Code, Northern Ireland, United Kingdom |
| Country | State | Town/City | Zipcode |
| United Kingdom | Northern Ireland | Aghadowey | BT51 |
| United Kingdom | Northern Ireland | Aghagallon | BT67 |
| United Kingdom | Northern Ireland | Aghalee | BT67 |
| United Kingdom | Northern Ireland | Aghyaran | BT81 |
| United Kingdom | Northern Ireland | Aird | HS7 |
| United Kingdom | Northern Ireland | Aldergrove | BT29 |
| United Kingdom | Northern Ireland | Andersonstown | BT11 |
| United Kingdom | Northern Ireland | Annaclone | BT32 |
| United Kingdom | Northern Ireland | Annahilt | BT25 |
| United Kingdom | Northern Ireland | Annalong | BT34 |
| United Kingdom | Northern Ireland | Antrim | BT41 |
| United Kingdom | Northern Ireland | Antrim Road | BT15 |
| United Kingdom | Northern Ireland | Ardboe | BT71 |
| United Kingdom | Northern Ireland | Ardglass | BT30 |
| United Kingdom | Northern Ireland | Ardkeen | BT22 |
| United Kingdom | Northern Ireland | Armagh | BT61 |
| United Kingdom | Northern Ireland | Armagh | BT60 |
| United Kingdom | Northern Ireland | Armoy | BT53 |
| United Kingdom | Northern Ireland | Articlave | BT51 |
| United Kingdom | Northern Ireland | Artigarvan | BT82 |
| United Kingdom | Northern Ireland | Augher | BT77 |
| United Kingdom | Northern Ireland | Aughnacloy | BT69 |
| United Kingdom | Northern Ireland | Avoch | IV9 |
| United Kingdom | Northern Ireland | Baile A'Mhanaich | HS7 |
| United Kingdom | Northern Ireland | Baile Nan Cailleach | HS7 |
| United Kingdom | Northern Ireland | Ballgomartin | BT13 |
| United Kingdom | Northern Ireland | Ballinamallard | BT94 |
| United Kingdom | Northern Ireland | Ballinaskeagh | BT32 |
| United Kingdom | Northern Ireland | Ballinderry Lower | BT28 |
| United Kingdom | Northern Ireland | Ballinderry Upper | BT28 |
| United Kingdom | Northern Ireland | Ballintoy | BT54 |
| United Kingdom | Northern Ireland | Ballybogy | BT53 |
| United Kingdom | Northern Ireland | Ballycarry | BT38 |
| United Kingdom | Northern Ireland | Ballycastle | BT54 |
| United Kingdom | Northern Ireland | Ballyclare | BT39 |
| United Kingdom | Northern Ireland | Ballygally | BT40 |
| United Kingdom | Northern Ireland | Ballygawley | BT70 |
| United Kingdom | Northern Ireland | Ballyhalbert | BT22 |
| United Kingdom | Northern Ireland | Ballyhornan | BT30 |
| United Kingdom | Northern Ireland | Ballykelly | BT49 |
| United Kingdom | Northern Ireland | Ballykinler | BT30 |
| United Kingdom | Northern Ireland | Ballymagorry | BT82 |
| United Kingdom | Northern Ireland | Ballymartin | BT34 |
| United Kingdom | Northern Ireland | Ballymena | BT43 |
| United Kingdom | Northern Ireland | Ballymena | BT44 |
| United Kingdom | Northern Ireland | Ballymena | BT42 |
| United Kingdom | Northern Ireland | Ballymoney | BT53 |
| United Kingdom | Northern Ireland | Ballynagard | BT48 |
| United Kingdom | Northern Ireland | Ballynahinch | BT24 |
| United Kingdom | Northern Ireland | Ballynure | BT39 |
| United Kingdom | Northern Ireland | Ballypatrick | BT54 |
| United Kingdom | Northern Ireland | Ballyronan | BT45 |
| United Kingdom | Northern Ireland | Ballyroney | BT32 |
| United Kingdom | Northern Ireland | Ballysillan | BT14 |
| United Kingdom | Northern Ireland | Ballysillan Upper | BT14 |
| United Kingdom | Northern Ireland | Ballyvelton | BT52 |
| United Kingdom | Northern Ireland | Ballyvoy | BT54 |
| United Kingdom | Northern Ireland | Ballywalter | BT22 |
| United Kingdom | Northern Ireland | Ballyward | BT31 |
| United Kingdom | Northern Ireland | Banbridge | BT32 |
| United Kingdom | Northern Ireland | Bangor | BT19 |
| United Kingdom | Northern Ireland | Bangor | BT20 |
| United Kingdom | Northern Ireland | Belcoo | BT60 |
| United Kingdom | Northern Ireland | Belfast | BT13 |
| United Kingdom | Northern Ireland | Belfast | BT6 |
| United Kingdom | Northern Ireland | Belfast | BT4 |
| United Kingdom | Northern Ireland | Belfast | BT7 |
| United Kingdom | Northern Ireland | Belfast | BT9 |
| United Kingdom | Northern Ireland | Belfast | BT10 |
| United Kingdom | Northern Ireland | Belfast | BT15 |
| United Kingdom | Northern Ireland | Belfast | BT11 |
| United Kingdom | Northern Ireland | Belfast | BT29 |
| United Kingdom | Northern Ireland | Belfast | BT16 |
| United Kingdom | Northern Ireland | Belfast | BT12 |
| United Kingdom | Northern Ireland | Belfast | BT8 |
| United Kingdom | Northern Ireland | Belfast | BT17 |
| United Kingdom | Northern Ireland | Belfast | BT2 |
| United Kingdom | Northern Ireland | Belfast | BT5 |
| United Kingdom | Northern Ireland | Belfast | BT1 |
| United Kingdom | Northern Ireland | Belfast | BT14 |
| United Kingdom | Northern Ireland | Belfast | BT3 |
| United Kingdom | Northern Ireland | Belfast City Airport | BT3 |
| United Kingdom | Northern Ireland | Belfast City Center South | BT2 |
| United Kingdom | Northern Ireland | Belfast East | BT4 |
| United Kingdom | Northern Ireland | Belfast East | BT5 |
| United Kingdom | Northern Ireland | Belfast Harbour Estate | BT3 |
| United Kingdom | Northern Ireland | Belfast International Airport | BT29 |
| United Kingdom | Northern Ireland | Belfast North | BT13 |
| United Kingdom | Northern Ireland | Belfast North | BT15 |
| United Kingdom | Northern Ireland | Belfast South | BT7 |
| United Kingdom | Northern Ireland | Belfast South | BT12 |
| United Kingdom | Northern Ireland | Belfast South | BT8 |
| United Kingdom | Northern Ireland | Belfast South East | BT6 |
| United Kingdom | Northern Ireland | Belfast West | BT11 |
| United Kingdom | Northern Ireland | Belfast West | BT13 |
| United Kingdom | Northern Ireland | Belfast West | BT12 |
| United Kingdom | Northern Ireland | Bellaghy | BT45 |
| United Kingdom | Northern Ireland | Bellany | BT51 |
| United Kingdom | Northern Ireland | Belleek | BT35 |
| United Kingdom | Northern Ireland | Belleek | BT93 |
| United Kingdom | Northern Ireland | Belmont | BT4 |
| United Kingdom | Northern Ireland | Benburb | BT71 |
| United Kingdom | Northern Ireland | Bessbrook | BT35 |
| United Kingdom | Northern Ireland | Blackhill | BT51 |
| United Kingdom | Northern Ireland | Blackwatertown | BT71 |
| United Kingdom | Northern Ireland | Boho | BT74 |
| United Kingdom | Northern Ireland | Botanic | BT7 |
| United Kingdom | Northern Ireland | Braniel | BT5 |
| United Kingdom | Northern Ireland | Bready | BT82 |
| United Kingdom | Northern Ireland | Brookeborough | BT94 |
| United Kingdom | Northern Ireland | Broughshane | BT42 |
| United Kingdom | Northern Ireland | Brownlow | BT65 |
| United Kingdom | Northern Ireland | Bryansford | BT33 |
| United Kingdom | Northern Ireland | Bush | BT71 |
| United Kingdom | Northern Ireland | Bushmills | BT57 |
| United Kingdom | Northern Ireland | Cabra | BT34 |
| United Kingdom | Northern Ireland | Caledon | BT68 |
| United Kingdom | Northern Ireland | Camlough | BT35 |
| United Kingdom | Northern Ireland | Camlough | BT44 |
| United Kingdom | Northern Ireland | Cape Castle | BT54 |
| United Kingdom | Northern Ireland | Cappagh | BT70 |
| United Kingdom | Northern Ireland | Cargacreevy | BT27 |
| United Kingdom | Northern Ireland | Cargan | BT43 |
| United Kingdom | Northern Ireland | Carnteel | BT69 |
| United Kingdom | Northern Ireland | Carrickfergus | BT38 |
| United Kingdom | Northern Ireland | Carrowdore | BT22 |
| United Kingdom | Northern Ireland | Carryduff | BT8 |
| United Kingdom | Northern Ireland | Castlecatt | BT57 |
| United Kingdom | Northern Ireland | Castlecaulfield | BT70 |
| United Kingdom | Northern Ireland | Castledawson | BT45 |
| United Kingdom | Northern Ireland | Castlederg | BT81 |
| United Kingdom | Northern Ireland | Castlereagh | BT5 |
| United Kingdom | Northern Ireland | Castlereagh | BT6 |
| United Kingdom | Northern Ireland | Castlerock | BT51 |
| United Kingdom | Northern Ireland | Castleroe | BT51 |
| United Kingdom | Northern Ireland | Castleward | BT30 |
| United Kingdom | Northern Ireland | Castlewellan | BT31 |
| United Kingdom | Northern Ireland | Child Support Agency | BT58 |
| United Kingdom | Northern Ireland | Cityside | BT48 |
| United Kingdom | Northern Ireland | Clabby | BT75 |
| United Kingdom | Northern Ireland | Clady | BT82 |
| United Kingdom | Northern Ireland | Clare | BT62 |
| United Kingdom | Northern Ireland | Clare | BT81 |
| United Kingdom | Northern Ireland | Claudy | BT47 |
| United Kingdom | Northern Ireland | Clogh Mills | BT44 |
| United Kingdom | Northern Ireland | Clogher | BT76 |
| United Kingdom | Northern Ireland | Clough | BT30 |
| United Kingdom | Northern Ireland | Cloughey | BT22 |
| United Kingdom | Northern Ireland | Cloyfin | BT52 |
| United Kingdom | Northern Ireland | Coagh | BT80 |
| United Kingdom | Northern Ireland | Coalisland | BT71 |
| United Kingdom | Northern Ireland | Coleraine | BT51 |
| United Kingdom | Northern Ireland | Coleraine | BT52 |
| United Kingdom | Northern Ireland | Collone | BT61 |
| United Kingdom | Northern Ireland | Cookstown | BT80 |
| United Kingdom | Northern Ireland | Corbet | BT32 |
| United Kingdom | Northern Ireland | Coshquin | BT48 |
| United Kingdom | Northern Ireland | Craigahullier | BT56 |
| United Kingdom | Northern Ireland | Craigavad | BT18 |
| United Kingdom | Northern Ireland | Craigavon | BT65 |
| United Kingdom | Northern Ireland | Craigavon | BT67 |
| United Kingdom | Northern Ireland | Craigavon | BT63 |
| United Kingdom | Northern Ireland | Craigavon | BT66 |
| United Kingdom | Northern Ireland | Craigavon | BT64 |
| United Kingdom | Northern Ireland | Craigavon | BT62 |
| United Kingdom | Northern Ireland | Crawfordsburn | BT19 |
| United Kingdom | Northern Ireland | Creag Ghoraidh | HS7 |
| United Kingdom | Northern Ireland | Cregagh | BT6 |
| United Kingdom | Northern Ireland | Crossgar | BT30 |
| United Kingdom | Northern Ireland | Crossmaglen | BT35 |
| United Kingdom | Northern Ireland | Crossnacreevy | BT5 |
| United Kingdom | Northern Ireland | Crumlin | BT29 |
| United Kingdom | Northern Ireland | Crumlin Road | BT14 |
| United Kingdom | Northern Ireland | Culcavy | BT25 |
| United Kingdom | Northern Ireland | Cullybackey | BT42 |
| United Kingdom | Northern Ireland | Culmore | BT48 |
| United Kingdom | Northern Ireland | Cushendall | BT44 |
| United Kingdom | Northern Ireland | Cushendun | BT44 |
| United Kingdom | Northern Ireland | Darkley | BT60 |
| United Kingdom | Northern Ireland | Derriaghy | BT17 |
| United Kingdom | Northern Ireland | Derry | BT47 |
| United Kingdom | Northern Ireland | Derryadd | BT66 |
| United Kingdom | Northern Ireland | Derrygonnelly | BT93 |
| United Kingdom | Northern Ireland | Derrylin | BT92 |
| United Kingdom | Northern Ireland | Derrytrasna | BT66 |
| United Kingdom | Northern Ireland | Dervock | BT53 |
| United Kingdom | Northern Ireland | Desertmartin | BT45 |
| United Kingdom | Northern Ireland | Doagh | BT39 |
| United Kingdom | Northern Ireland | Dollingstown | BT66 |
| United Kingdom | Northern Ireland | Donaghadee | BT21 |
| United Kingdom | Northern Ireland | Donaghcloney | BT66 |
| United Kingdom | Northern Ireland | Donaghmore | BT70 |
| United Kingdom | Northern Ireland | Douglas Bridge | BT82 |
| United Kingdom | Northern Ireland | Downpatrick | BT30 |
| United Kingdom | Northern Ireland | Draperstown | BT45 |
| United Kingdom | Northern Ireland | Dromara | BT25 |
| United Kingdom | Northern Ireland | Dromore | BT25 |
| United Kingdom | Northern Ireland | Dromore | BT78 |
| United Kingdom | Northern Ireland | Drumalig | BT27 |
| United Kingdom | Northern Ireland | Drumaness | BT24 |
