NZ SMS Shortcode

4578

Westpac Guardian

Carrier Service / Brand Cost to send Cost to receive Category Source
One NZ One NZ Westpac Guardian $0.20 NZD Free Banking & Finance 2024-09-30
2degrees 2degrees Westpac NZ Ltd $0.20 NZD Free Banking & Finance 2025-12-31

How to stop messages from this shortcode

Reply STOP to the number 4578. Under the NZ TCF Mobile Messaging Services Code, commercial and premium senders are required to honour STOP requests within two business days.

Note: transactional notifications (delivery updates, appointment reminders, OTP codes) are generally exempt from STOP obligations — you need to unsubscribe via the service itself.

Contact details published by carriers

Phone
0800400600 — listed by One NZ
0800 400 600 — listed by 2degrees
Website
https://www.westpac.co.nz — listed by 2degrees

Frequently asked questions about shortcode 4578

Who owns shortcode 4578 in New Zealand?
Shortcode 4578 is operated by Westpac Guardian. Some carriers list it under other names including Westpac NZ Ltd.
Which NZ mobile carriers list shortcode 4578?
Shortcode 4578 is listed in the public premium-text directories of One NZ, 2degrees.
How much does it cost to send an SMS to 4578?
Sending a text to shortcode 4578 is NZ$0.20 per message. All prices include GST where applicable.
How do I stop receiving messages from shortcode 4578?
Reply STOP to 4578. Under the NZ TCF Mobile Messaging Services Code, commercial senders must honour STOP requests within two business days. Transactional messages like OTPs and appointment reminders are exempt — unsubscribe via the service itself.
What is the contact number for shortcode 4578?
The contact number for Westpac Guardian is 0800400600 (listed by One NZ); 0800 400 600 (listed by 2degrees).
What is the website for shortcode 4578?
The website for Westpac Guardian is https://www.westpac.co.nz (listed by 2degrees).
What type of service is shortcode 4578?
Shortcode 4578 is categorised as Banking & Finance in this directory, based on data published by NZ mobile carriers.

Know more about this shortcode?

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Where does this data come from?

Each NZ mobile carrier publishes a list of the shortcodes active on their network. This directory downloads those PDFs daily and consolidates the latest versions. The “Source” column above shows the publication date of the document we saw this code in.

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