PAC Code Transfer Guide

Switch from EcoTalk to iD Mobile and keep your number

Written by: SIM Only Finder Editorial Team

Last reviewed: 11th July 2026

Switch from EcoTalk to iD Mobile and keep your number

Written by: SIM Only Finder Editorial Team

Last reviewed: 11th July 2026

This guide explains how to switch from EcoTalk to iD Mobile and keep your mobile number.

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

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

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

Joining iD Mobile and leaving EcoTalk

Quick Network Switching Tool
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To keep your number, request a PAC code from EcoTalk and give it to iD Mobile.

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

1. Request a PAC code from EcoTalk

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

  • Text: Text "PAC" to 65075 from your EcoTalk phone. You will get a text back with your code within a minute. This is a free service from Ofcom (the UK's communications regulator).
  • Phone: Call EcoTalk on 033 3800 5500 from any UK phone.

2. Order a SIM only deal from iD Mobile

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

Current iD Mobile SIM only deals

View more iD Mobile deals
iD Mobile SIM Card 5G
iD Mobile SIM or eSIM 1 month contract
25 GB Data
Unlimited Minutes
Unlimited Texts
Monthly £6.00
See Deal Available via 2 retailers
Powered By: Three Free EU roaming
Choose a retailer
    iD Mobile SIM Card 5G
    iD Mobile SIM 1 month contract
    25 GB Data
    Unlimited Minutes
    Unlimited Texts
    Monthly £6.00
    See Deal Sold by mobiles.co.uk
    Powered By: Three Free EU roaming
    iD Mobile SIM Card 5G
    iD Mobile SIM or eSIM 12 month contract
    15 GB Data
    Unlimited Minutes
    Unlimited Texts
    Monthly £6.00
    See Deal Sold by Carphone Warehouse
    Powered By: Three Free EU roaming

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

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

    iD Mobile includes free data rollover on all pay monthly plans, carrying unused data into the next month.

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

    3. Give the PAC code to iD Mobile

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

    • Online: Enter your PAC code at checkout when you order, or fill in iD Mobile's number transfer form once your new SIM is active.
    • Live chat: Contact iD Mobile's live chat team through the Help and Support page.

    4. Wait for your number transfer to iD Mobile to complete

    iD Mobile will send the transfer request to EcoTalk.

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

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