NZ SMS Shortcode

436

Geotechnics_SMS System

Carrier Service / Brand Cost to send Cost to receive Category Source
Spark Spark Geotechnics_SMS System Free Free Alerts & Notifications 2026-04-20
One NZ One NZ Geotechnics_SMS System Free Free Alerts & Notifications 2024-09-30
2degrees 2degrees Geotechnics_SMS System Free Free Alerts & Notifications 2026-04-22
Skinny Skinny Geotechnics_SMS System Free Free Alerts & Notifications 2026-04-20

How to stop messages from this shortcode

Reply STOP to the number 436. 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
0800000428 — listed by One NZ
0800 564 221 — listed by 2degrees
Website
https://www.geotechnics.co.nz/ — listed by One NZ
www.geotechnics.co.nz — listed by 2degrees

Frequently asked questions about shortcode 436

Who owns shortcode 436 in New Zealand?
Shortcode 436 is operated by Geotechnics_SMS System.
Which NZ mobile carriers list shortcode 436?
Shortcode 436 is listed in the public premium-text directories of Spark, One NZ, 2degrees, Skinny.
How much does it cost to send an SMS to 436?
Sending a text to shortcode 436 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 436?
Reply STOP to 436. 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 436?
The contact number for Geotechnics_SMS System is 0800000428 (listed by One NZ); 0800 564 221 (listed by 2degrees).
What is the website for shortcode 436?
The website for Geotechnics_SMS System is https://www.geotechnics.co.nz/ (listed by One NZ); www.geotechnics.co.nz (listed by 2degrees).
What type of service is shortcode 436?
Shortcode 436 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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