PAC Code Transfer Guide

Switch from ParentShield to O2 and keep your number

Written by: SIM Only Finder Editorial Team

Last reviewed: 11th July 2026

Switch from ParentShield to O2 and keep your number

Written by: SIM Only Finder Editorial Team

Last reviewed: 11th July 2026

This guide explains how to switch from ParentShield to O2 and keep your mobile number.

Most number transfers complete within 1 to 2 working days once O2 has your PAC code.

If you want a new number instead, text STAC to 75075 and give the code to O2.

This switch will take you from EE's network to O2's network. Coverage may differ in some areas. Check O2's coverage checker before switching.

Joining O2 and leaving ParentShield

Quick Network Switching Tool
Select which network you would like to switch from and to and we will give you precise instructions on how to keep your number when switching to a new SIM Only Deal.
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To keep your number, request a PAC code from ParentShield and give it to O2.

You can usually give O2 your PAC code when you order, or after your new SIM card or eSIM has been activated.

1. Request a PAC code from ParentShield

Here is how to get your PAC (Porting Authorisation Code) from ParentShield:

  • Text: Text "PAC" to 65075 from the ParentShield phone. ParentShield will seek authorisation from the account holder before releasing the code, so a child cannot port the number out without the parent knowing.
  • Phone: Call ParentShield on 0330 122 1180.
  • Live chat: Use the live chat on the ParentShield website or in the Portal.

On Roam Stage SIMs the account closes when a PAC is used or when it expires, even if unused. On other plans, an unused PAC simply lapses and the account carries on as normal.

2. Order a SIM only deal from O2

If you have not ordered yet, compare current O2 SIM only deals below.

Current O2 SIM only deals

View more O2 deals
O2 SIM Card 5G
O2 SIM or eSIM 12 month contract
10 GB Data
Unlimited Minutes
Unlimited Texts
Monthly £7.00
See Deal Sold by O2
Monthly Price increases to £9.50 on 1st April 2027 Free EU Roaming 3 Months Free Entertainment
O2 SIM Card 5G
O2 SIM or eSIM 1 month contract
10 GB Data
Unlimited Minutes
Unlimited Texts
Monthly £10.00
See Deal Available via 2 retailers
Choose a retailer
    O2 SIM Card 5G
    O2 SIM or eSIM 1 month contract
    8 GB Data
    Unlimited Minutes
    Unlimited Texts
    Monthly £10.00
    See Deal Sold by O2

    If you already have your new SIM, continue to Step 3.

    If O2 asks for your PAC code during checkout, enter it there. If not, wait for your new SIM or eSIM to activate, then give O2 the PAC code using the method below.

    O2 plans include access to Priority rewards and presale tickets once your SIM is active.

    O2 offers eSIMs, so you can switch without waiting for a physical SIM to arrive.

    3. Give the PAC code to O2

    Once you have your PAC code, here is how to give it to O2:

    • Online: Enter your PAC code at checkout when you order, or log in to My O2: on the website go to Switch to O2, then Move my number; in the app go to Support, then Keep your number.
    • Phone: Call 202 from your O2 phone or 0344 809 0202 from any other phone.
    • In-store: Visit an O2 store and give a member of staff your PAC code.

    O2 usually completes the switch by 4pm on the transfer day, and by 10pm at the latest.

    4. Wait for your number transfer to O2 to complete

    O2 will send the transfer request to ParentShield.

    Your number should move to your new O2 SIM within 1 to 2 working days.

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