NZ SMS Shortcode

321

Clearhead SMS

Carrier Service / Brand Cost to send Cost to receive Category Source
Spark Spark Clearhead SMS $0.20 NZD Free Alerts & Notifications 2026-04-20
One NZ One NZ Westforce $0.20 NZD Free Alerts & Notifications 2024-09-30
2degrees 2degrees Clearhead SMS $0.20 NZD Free Alerts & Notifications 2026-04-22
Skinny Skinny Clearhead SMS $0.20 NZD Free Alerts & Notifications 2026-04-20

How to stop messages from this shortcode

Reply STOP to the number 321. 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
0800600666 — listed by One NZ
0800 60 06 66 — listed by 2degrees
Website
http://unimed.clearhead.org.nz — listed by One NZ
https://unimed.clearhead.org.nz — listed by 2degrees

Frequently asked questions about shortcode 321

Who owns shortcode 321 in New Zealand?
Shortcode 321 is operated by Clearhead SMS. Some carriers list it under other names including Westforce.
Which NZ mobile carriers list shortcode 321?
Shortcode 321 is listed in the public premium-text directories of Spark, One NZ, 2degrees, Skinny.
How much does it cost to send an SMS to 321?
Sending a text to shortcode 321 is NZ$0.20 per message. All prices include GST where applicable.
How do I stop receiving messages from shortcode 321?
Reply STOP to 321. 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 321?
The contact number for Clearhead SMS is 0800600666 (listed by One NZ); 0800 60 06 66 (listed by 2degrees).
What is the website for shortcode 321?
The website for Clearhead SMS is http://unimed.clearhead.org.nz (listed by One NZ); https://unimed.clearhead.org.nz (listed by 2degrees).
What type of service is shortcode 321?
Shortcode 321 is categorised as Alerts & Notifications 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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