NZ SMS Shortcode

4589

Smoke Alarm Testing Services(SATS) SMS

Carrier Service / Brand Cost to send Cost to receive Category Source
Spark Spark Smoke Alarm Testing Services(SATS) SMS $0.20 NZD Free Other 2026-04-20
One NZ One NZ Smoke Alarm Testing Services(SATS) SMS $0.20 NZD Free Other 2024-09-30
2degrees 2degrees Smoke Alarm Testing (SAT) SMS $0.20 NZD Free Other 2026-04-22
Skinny Skinny Smoke Alarm Testing Services(SATS) SMS $0.20 NZD Free Other 2026-04-20

How to stop messages from this shortcode

Reply STOP to the number 4589. 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
0508766532 — listed by One NZ
0800 564 221 — listed by 2degrees
Website
https://www.sats.co.nz — listed by One NZ
www.sats.co.nz — listed by 2degrees

Frequently asked questions about shortcode 4589

Who owns shortcode 4589 in New Zealand?
Shortcode 4589 is operated by Smoke Alarm Testing Services(SATS) SMS. Some carriers list it under other names including Smoke Alarm Testing (SAT) SMS.
Which NZ mobile carriers list shortcode 4589?
Shortcode 4589 is listed in the public premium-text directories of Spark, One NZ, 2degrees, Skinny.
How much does it cost to send an SMS to 4589?
Sending a text to shortcode 4589 is NZ$0.20 per message. All prices include GST where applicable.
How do I stop receiving messages from shortcode 4589?
Reply STOP to 4589. 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 4589?
The contact number for Smoke Alarm Testing Services(SATS) SMS is 0508766532 (listed by One NZ); 0800 564 221 (listed by 2degrees).
What is the website for shortcode 4589?
The website for Smoke Alarm Testing Services(SATS) SMS is https://www.sats.co.nz (listed by One NZ); www.sats.co.nz (listed by 2degrees).
What type of service is shortcode 4589?
Shortcode 4589 is categorised as Other 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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