This is a list of postcodes in the LL29 9 area covering the areas of Colwyn Bay, Llanelian, Llysfaen, Old Colwyn, Conwy. The area contains approximately 3,042 households with a population of about 7,020 (2011 census)
 Active postcode
Active postcode 
   Postcode no longer in use
Postcode no longer in use| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? | 
|---|---|---|---|---|---|---|
| LL29 9ZA | 53.289078 | -3.669617 | 288800 | 378202 | SH887782 | No | 
| LL29 9ZD | 53.297745 | -3.729407 | 284838 | 379261 | SH848792 | No | 
| LL29 9ZE | 53.297745 | -3.729407 | 284838 | 379261 | SH848792 | No | 
| LL29 9ZF | 53.297745 | -3.729407 | 284838 | 379261 | SH848792 | No | 
| LL29 9ZG | 53.289453 | -3.692691 | 287263 | 378280 | SH872782 | No | 
| LL29 9ZH | 53.297745 | -3.729407 | 284838 | 379261 | SH848792 | No | 
| LL29 9ZJ | 53.289453 | -3.692691 | 287263 | 378280 | SH872782 | No | 
| LL29 9ZL | 53.297745 | -3.729407 | 284838 | 379261 | SH848792 | No | 
| LL29 9ZN | 53.289453 | -3.692691 | 287263 | 378280 | SH872782 | No | 
| LL29 9ZP | 53.297745 | -3.729407 | 284838 | 379261 | SH848792 | No | 
| LL29 9ZQ | 53.289453 | -3.692691 | 287263 | 378280 | SH872782 | No | 
| LL29 9ZR | 53.297745 | -3.729407 | 284838 | 379261 | SH848792 | No | 
| LL29 9ZS | 53.297745 | -3.729407 | 284838 | 379261 | SH848792 | No | 
| LL29 9ZT | 53.297745 | -3.729407 | 284838 | 379261 | SH848792 | No | 
| LL29 9ZU | 53.297745 | -3.729407 | 284838 | 379261 | SH848792 | No |