NZ SMS Shortcode

5588

Amex STOP mblox

Carrier Service / Brand Cost to send Cost to receive Category Source
Spark Spark Amex STOP mblox $0.20 NZD Free Banking & Finance 2026-04-20
One NZ One NZ Amex STOP mblox $0.20 NZD Free Banking & Finance 2024-09-30
2degrees 2degrees AMEXSTOP $0.09 NZD Free Banking & Finance 2026-04-22
Skinny Skinny Amex STOP mblox $0.20 NZD Free Banking & Finance 2026-04-20

How to stop messages from this shortcode

Reply STOP to the number 5588. 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 542 833 — listed by 2degrees

Frequently asked questions about shortcode 5588

Who owns shortcode 5588 in New Zealand?
Shortcode 5588 is operated by Amex STOP mblox. Some carriers list it under other names including AMEXSTOP.
Which NZ mobile carriers list shortcode 5588?
Shortcode 5588 is listed in the public premium-text directories of Spark, One NZ, 2degrees, Skinny.
How much does it cost to send an SMS to 5588?
Sending a text to shortcode 5588 is between NZ$0.09 and NZ$0.20 per message depending on your carrier. All prices include GST where applicable.
How do I stop receiving messages from shortcode 5588?
Reply STOP to 5588. 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 5588?
The contact number for Amex STOP mblox is 0800 542 833 (listed by 2degrees).
What type of service is shortcode 5588?
Shortcode 5588 is categorised as Banking & Finance 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Details incorrect or out of date?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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