Contacting NatWest UK: Phone, Online, App, and Mail Options

You can reach NatWest through multiple channels: Phone – Customer service 0345 724 2424, Business 0345 222 4474, Premier 0345 719 1999. Online – NatWest website (natwest.com), Royal Bank of Scotland (rbs.co.uk), Ulster Bank (ulsterbank.co.uk). App – NatWest, RBS, and Ulster Bank apps on iOS/Android. Post – NatWest: PO Box 390, Edinburgh EH1 2WY; RBS: 32-44 Thistle Street, Edinburgh EH2 1EN; Ulster Bank: 2 Royal Avenue, Belfast BT1 1BU. Social Media – Twitter @NatWest_Help, Facebook, Instagram @NatWest_UK.