Map of BT31 9QZ postcode 
    
	
  
      
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            General information
            
              
                
              
              
                
                  | Postcode | BT31 9QZ | 
                  
                    | Post Town | Castlewellan | 
                
                
                
                  | Businesses |  | 
              
              
            
          
        
          
            Geography
            
              
              
              
                
                  |  | Latitude | 54.308728 | 
                
                  |  | Longitude | -6.084433 | 
                  
                    |  | Easting | 134414 | 
                  
                    |  | Northing | 498045 | 
                  
                    |  | Grid reference | SB344980 | 
                
                  |  | UTM reference | 29U 689671 6021792 | 
                
                  |  | what3words | alternate.stove.qualified | 
                
                  |  | FixPhrase | crummiest livestock scorer unwind | 
                  
                    |  | Plus code | 9C6M8W58+F6 | 
                
                  |  | Altitude | 153 metres (503 feet) | 
                
                  |  | Sunrise (today) | 7:25 | 
                
                  |  | Sunset (today) | 16:53 | 
                
                  |  | Distance away |  | 
                  
                    |  | Distance to sea | 16 KMs (9.9 miles) | 
              
              
            
          
        
        
            
              
              
                Administrative areas 
              
                
                  
                        
                          | Ward | Ballyward | N08001006 | 
                      
                        | District | Newry, Mourne and Down | N09000010 | 
                      
                        | Constituency (2024) | South Down | N05000015 | 
                        | MP | Chris Hazzard | Sinn Féin | 
|---|
                      | Police force | PSNI | 
|---|
                      | Water company | Northern Ireland Water | 
|---|
                      
                        | NUTS/ITL 3 | Newry, Mourne and Down | 
                      
                        | NUTS/ITL 2 | Northern Ireland | 
                      
                        | NUTS/ITL 1 | Northern Ireland | 
                    
                      | Country | Northern Ireland | N92000002 | 
                  
                  
                
              
          
    
      
        Data
        
          
              
                | Date introduced | December 1984 | 
            
              | Last updated | September 2025 | 
              
                | User type | Small (addresses receive less than 25 items of mail per day) | 
                    
              
                | Quality | Within the building of the matched address closest to the postcode mean | 
          
          
        
      
          
          
        
          
            Demographics
            
              
                  
                    | Population (2011) | 18 |  | 
                  
                    | Households (2011) | 6 |  | 
                
                  | Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | 
                  | Census output area (2021) | N20003331 |  | 
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                  | Census output area (2011) | 1A1 |  | 
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                  | Lower layer super output area (2011) | Katesbridge | 95FF11W1 | 
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                  | Travel to work area | Newry and Banbridge | N12000009 | 
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          Useful links for BT31 9QZ
          
         
          
      
  Contains OS data © Crown copyright and database right 2025 
  Contains Royal Mail data © Royal Mail copyright and database right 2025 
  Contains National Statistics data © Crown copyright and database rights 2025 
  Source: Office for National Statistics licensed under the Open Government Licence v.3.0
  Contains data from Wikipedia covered by the Creative Commons license