The UK postcode area starting CA takes its letters from which town or city?
CA postcode area CA22 ! CA23 ! CA24 ! CA25 ! CA26 ! CA27 ! CA28 ! CA95 ! CA99 CA postcode area The CA postcode area, also known as the Carlisle postcode area, is a group of postcode districts around Alston, Appleby-in-Westmorland, Beckermet, Brampton, Carlisle, Cleator, Cleator Moor, Cockermouth, Egremont, Frizington, Holmrook, Keswick, Kirkby Stephen, Maryport, Moor Row, Penrith, Ravenglass, Seascale, St Bees, Whitehaven, Wigton and Workington in England. The approximate coverage of the postcode districts: ! CA1 ! CA2 ! CA3 ! CA4 ! CA5 ! CA6 ! CA7 ! CA8 ! CA9 ! CA10 ! CA11 ! CA12 ! CA13
BT postcode area BT postcode area The BT postcode area, also known as the Belfast postcode area, covers all of Northern Ireland and was the last part of the United Kingdom to be coded, between 1970 and 1974. With a population of over 1.8 million people, BT is the second most populous UK postcode area, after the B postcode area (Birmingham, 1.9 million). Belfast had already been divided into numbered districts. Today, the Belfast post town covers postcode districts BT1 to BT17 and part of BT29. In common with all addresses in Northern Ireland, Belfast postcodes start with the letters "BT", a mnemonic