NZ SMS Shortcode

3858

Codes for Internal testing

Carrier Service / Brand Cost to send Cost to receive Category Source
Spark Spark Codes for Internal testing $0.20 NZD Free Other 2026-04-20
One NZ One NZ OnSend $0.20 NZD Free Other 2024-09-30
2degrees 2degrees Codes for Internal testing $0.20 NZD Free Other 2026-04-22
Skinny Skinny Codes for Internal testing $0.20 NZD Free Other 2026-04-20

How to stop messages from this shortcode

Reply STOP to the number 3858. 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
0800564221 — listed by One NZ
0800 564 221 — listed by 2degrees
Website
http://www.onsend.com — listed by One NZ
www.bulletin.net — listed by 2degrees

Frequently asked questions about shortcode 3858

Who owns shortcode 3858 in New Zealand?
Shortcode 3858 is operated by Codes for Internal testing. Some carriers list it under other names including OnSend.
Which NZ mobile carriers list shortcode 3858?
Shortcode 3858 is listed in the public premium-text directories of Spark, One NZ, 2degrees, Skinny.
How much does it cost to send an SMS to 3858?
Sending a text to shortcode 3858 is NZ$0.20 per message. All prices include GST where applicable.
How do I stop receiving messages from shortcode 3858?
Reply STOP to 3858. 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 3858?
The contact number for Codes for Internal testing is 0800564221 (listed by One NZ); 0800 564 221 (listed by 2degrees).
What is the website for shortcode 3858?
The website for Codes for Internal testing is http://www.onsend.com (listed by One NZ); www.bulletin.net (listed by 2degrees).
What type of service is shortcode 3858?
Shortcode 3858 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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