Prepay | How to Top Up Via Credit Card

Published on: 18/02/2026 07:00 AM

Use these handy steps about how to top up your Prepay account with your debit/credit card.
You can Top Up through the My One NZ App, website, TXT or by calling 777.

Before you begin

If you want to Top Up with a Text message:

  • Your credit card should be registered with your My One NZ account.
  • Sending the Text doesn't use your credit.

Steps

Follow the steps below to see different ways you can process a Top Up for your Prepay connection.

My One NZ App

  1. Sign into the My OneNZ app
  2. Tap the Top up tile
    Screenshot My One NZ App Topup Tile
    The Top up screen appears
  3. Choose the credit or debit card as your top up method

    My One NZ App Top Up Credit or Debit Card Method Screen
  4. Select the amount you want to top up
  5. Choose a saved card or enter new card details, then select Continue

    You may receive a one-time password by TXT from your bank, or be asked to approve the payment in your banking app. Enter or approve this to complete the payment

    My One NZ App Top Up Security Message Pop Up

    Once the security check is completed, the top up will be processed and a confirmation TXT will be sent to the mobile number..

My One NZ Web

  1. Sign in to My One NZ , selecting My One NZ 

    Screenshot My One NZ Web sign in
  2. Point your mouse cursor over Top Up & Pay and select Top Up 

    Screenshot My One NZ Web Topup
  3. From the Select mobile number to Top Up section, select the Prepay connection that you want to Top Up

    My One NZ Web Top Up or Make a Payment

    Please Note: Selecting Top Up another Prepay connection gives you the option to enter another Prepay number to Top up
  4. Select Credit or debit card as your payment method
    My One NZ Web Top Up or Make a Payment
  5. Enter the amount you want to pay
  6. Choose how you want to pay:
    • Select a registered credit or debit card
      or
    • Select Pay with another credit or debit card, enter the card details, then click Next
  7. Click Confirm

    You may be taken to your bank’s security check. You'll either receive a one-time password by TXT from your bank or be asked to approve the payment in your banking app

    Once the security check is completed, the payment will be processed and confirmed

Via TXT

  1. TXT TOPMEUP followed by the amount you want to top up to 867.

    • e.g. For a $30 top up, TXT TOPMEUP 30).
    • You'll be asked to reply back with the last 4 digits of the account's registered credit card.
  2. Reply with the last 4 digits of your credit card.

Via Calling 777

  1. Either call 777 from your mobile or 0800 800 021 from a landline
  2. Select option 2 (Top Ups)
  3. Select option 1 (Credit or Debit Card)
  4. Enter the amount you want to top up, eg 10 for $10
  5. Select option 1

    After the Top up is complete, you'll hear a confirmation message.

What to do if that didn't work

If you have any trouble topping up, please try using our website

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Prepay Credit card My One NZ App Top-Ups My One NZ web Work Instructions