NZ SMS Shortcode

8423

Boost Lab Marketing SMS

Carrier Service / Brand Cost to send Cost to receive Category Source
Spark Spark Boost Lab Marketing SMS Free Free Alerts & Notifications 2026-04-20
2degrees 2degrees Boost Lab Marketing SMS Free Free Alerts & Notifications 2025-12-31
Skinny Skinny Boost Lab Marketing SMS Free Free Alerts & Notifications 2026-04-20

How to stop messages from this shortcode

Reply STOP to the number 8423. 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
0800 564 221 — listed by 2degrees
Website
www.boostlabco.com — listed by 2degrees

Frequently asked questions about shortcode 8423

Who owns shortcode 8423 in New Zealand?
Shortcode 8423 is operated by Boost Lab Marketing SMS.
Which NZ mobile carriers list shortcode 8423?
Shortcode 8423 is listed in the public premium-text directories of Spark, 2degrees, Skinny.
How much does it cost to send an SMS to 8423?
Sending a text to shortcode 8423 is free to send to (you only pay your plan's normal SMS rate). All prices include GST where applicable.
How do I stop receiving messages from shortcode 8423?
Reply STOP to 8423. 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 8423?
The contact number for Boost Lab Marketing SMS is 0800 564 221 (listed by 2degrees).
What is the website for shortcode 8423?
The website for Boost Lab Marketing SMS is www.boostlabco.com (listed by 2degrees).
What type of service is shortcode 8423?
Shortcode 8423 is categorised as Alerts & Notifications in this directory, based on data published by NZ mobile carriers.

Know more about this shortcode?

Details incorrect or out of date? Submit an update below. All submissions are reviewed by an admin before being published.

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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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