County Antrim County Postcodes
Northern Ireland, United Kingdom · 17 codes
County Antrim County in Northern Ireland has 17 postcodes, from BT27 to BT58, serving 70 places.
Postcodes in County Antrim
| Postcode | Places |
|---|---|
| BT27 | Cargacreevy, Drumalig, Drumbo, Hilden, Lambeg |
| BT28 | Ballinderry Upper, Stoneyford |
| BT29 | Aldergrove, Dunrod, Glenavy, Nutts Corner |
| BT36 | Glengormley, Mossley |
| BT38 | Ballycarry, Greenisland, Kilroot, Whitehead |
| BT39 | Ballynure, Doagh, Parkgate, Straid, Templepatrick |
| BT40 | Ballygally, Gleno, Glynn, Islandmagee, Kilwaughter, Magheramorne +1 more |
| BT41 | Dunadry, Muckamore, Randalstown, Toomebridge |
| BT42 | Broughshane, Cullybackey, Galgorm, Kells |
| BT43 | Cargan, Knockanully |
| BT44 | Camlough, Clogh Mills, Cushendall, Cushendun, Dunloy, Glarryford +5 more |
| BT5 | Castlereagh |
| BT53 | Armoy, Ballybogy, Dervock |
| BT54 | Ballintoy, Ballypatrick, Ballyvoy, Cape Castle, Glenshesk, Maghercashel +4 more |
| BT56 | Craigahullier, Urbalreagh |
| BT57 | Castlecatt, Dunseverick, Portballintrae |
| BT58 | Child Support Agency |
Frequently asked questions
What is the postcode of County Antrim?
County Antrim has 17 postcodes, from BT27 to BT58. The table lists the places each one serves.
How many places are listed in County Antrim County?
70 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.