NZ SMS Shortcode

5840

Silent Promo – Silent Communications Ltd

Carrier Service / Brand Cost to send Cost to receive Category Source
Spark Spark Silent Promo – Silent Communications Ltd Free Free Marketing & Offers 2026-04-20
One NZ One NZ Silent Promo – Silent Communications Ltd Free Free Marketing & Offers 2024-09-30
2degrees 2degrees Opt Out Free Free Marketing & Offers 2026-04-22
Skinny Skinny Silent Promo – Silent Communications Ltd Free Free Marketing & Offers 2026-04-20

How to stop messages from this shortcode

Reply STOP to the number 5840. 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

Website
http://www.silentpromo.co.nz — listed by 2degrees

Frequently asked questions about shortcode 5840

Who owns shortcode 5840 in New Zealand?
Shortcode 5840 is operated by Silent Promo – Silent Communications Ltd. Some carriers list it under other names including Opt Out.
Which NZ mobile carriers list shortcode 5840?
Shortcode 5840 is listed in the public premium-text directories of Spark, One NZ, 2degrees, Skinny.
How much does it cost to send an SMS to 5840?
Sending a text to shortcode 5840 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 5840?
Reply STOP to 5840. 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 website for shortcode 5840?
The website for Silent Promo – Silent Communications Ltd is http://www.silentpromo.co.nz (listed by 2degrees).
What type of service is shortcode 5840?
Shortcode 5840 is categorised as Marketing & Offers 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Details incorrect or out of date?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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