Join anytime, anywhere Already a TSB customer? Already with us? Open saved form The easiest way is to log in to Online Banking and click 'Apply' on the left hand menu. Alternatively, give us a call on 0800 872 226. Before we start High call volumesWe're currently experiencing high call volumes and high demand with online applications. If you would like an update on your application please message us, and we'll get back to you as soon as possible. To join online you'll need to: be 18 years old or over have a valid New Zealand Passport or New Zealand Driver's Licence be applying for an individual or joint account use a smart phone or computer with a webcam This process is likely to take around 10-15 minutes to complete. You are completing a secure application. Let's get started!