Newstalk ZB is New Zealand's leading talk radio network, broadcasting nationwide. Launched in 1987, it evolved from the 1ZB station that had been on air in Auckland since 1926. The network focuses on news, current affairs, talkback, and sports coverage.

Newstalk ZB features a lineup of well-known hosts including Mike Hosking, Kate Hawkesby, Kerre Woodham, and Simon Barnett. Its programming covers breaking news, in-depth interviews, opinion pieces, and listener interaction through talkback segments.

The station operates a comprehensive news service with reporters across New Zealand, providing regular updates on national and local events. Newstalk ZB is known for its political coverage and often features interviews with key political figures.

In addition to news and talk content, Newstalk ZB broadcasts sports coverage and commentary. The network has adapted to digital platforms, offering live streaming and on-demand content through its website and mobile apps.

Newstalk ZB has maintained a strong presence in New Zealand's media landscape for over three decades, consistently ranking as one of the country's most listened-to radio stations.