Activate Your Numbers Market SIM

Link Your SIM to Your New Number

Use this page to activate the giffgaff SIM card we sent with your Numbers Market mobile number. This ensures your special number is correctly connected to your SIM and ready to use.

Activate your number See How It Works

Important: Please activate your SIM here on Numbers Market – do not complete activation directly on the giffgaff website. This helps us correctly assign your new number.

Activate your number

Enter the 6-digit activation code printed on the SIM card we sent you, along with your email address and details. We’ll handle the activation on your behalf.

This form is only for customers who received a Numbers Market SIM with their new UK mobile number on the giffgaff network.

Where is my activation code?
You’ll find the 6-digit activation code printed on the SIM card packaging we sent to you, as shown in the image above.

How Activation Works

Activating your Numbers Market SIM is quick and simple. Just follow these three steps to get your new number live.

1

Submit Your Details

Fill out the activation form using the 6-digit activation code printed on the SIM card, along with your email address and requested details. Double-check everything before you submit.

2

Insert Your SIM

Place the SIM card into your mobile phone. In many cases, your device will begin to recognise the SIM while we complete the activation on the network side.

3

Get Connected

Once activation is complete, we’ll send you a confirmation email including the new owner information. This typically takes 1–5 business hours during working times.

Good to Know

A few quick points to make sure your activation goes smoothly.

  • Only activate here: Please do not try to activate the SIM directly on the giffgaff website. We handle activation so your Numbers Market mobile number links correctly to your SIM.
  • Activation time: We aim to process activations within 1–5 business hours. If you submit a request late in the day or over a weekend, it may complete the next working day.
  • Entered the wrong code? If you think you’ve entered an incorrect activation code, please contact us as soon as possible so we can correct it before processing.
  • Still not active after 5 hours? Restart your phone first. If there’s still no signal or service, get in touch with our support team and we’ll investigate.
  • Travelling abroad: Roaming depends on your tariff and giffgaff’s current policies. Check your plan details before using the SIM outside the UK.