The PA postcode area, also known as the Paisley postcode area, is a group of 67 postcode districts in western Scotland, within 35 post towns. These cover Renfrewshire (including Paisley, Renfrew, Johnstone, Bishopton, Erskine, Bridge of Weir and Lochwinnoch), Inverclyde (including Greenock, Port Glasgow, Gourock, Kilmacolm and Wemyss Bay) and most of Argyll and Bute (including Oban, Lochgilphead, Tarbert, Campbeltown, Appin, Taynuilt, Bridge of Orchy, Dalmally, Inveraray, Cairndow, Colintraive, Dunoon, Tighnabruaich, and the Isles of Mull, Iona, Coll, Tiree, Jura, Colonsay, Islay, Gigha and Bute), plus small parts of North Ayrshire (including Skelmorlie) and Highland.