SignalCheck.uk

How to Switch Mobile Network

Everything you need to know about switching provider and keeping your number.

  1. 1

    Check Coverage in Your Area

    Use our postcode checker to compare signal strength from all four networks. Choose the operator with the best coverage where you live and work.

  2. 2

    Get Your PAC Code

    Text PAC to 65075 from your current phone. Your network must respond within 60 seconds with your PAC code and any early termination fees.

  3. 3

    Choose Your New Plan

    Sign up with your chosen network. SIM-only deals are usually the best value. Consider 5G plans if your area has coverage.

  4. 4

    Give Your PAC to Your New Network

    Provide your PAC code when activating your new SIM. The switch happens within one working day. Your old contract cancels automatically.

  5. 5

    Insert New SIM

    When the switch completes, insert your new SIM card. You may lose signal for up to a few hours during the transfer. Your number stays the same.

Quick Reference

Frequently Asked Questions

How do I get a PAC code?
Text PAC to 65075 from the phone number you want to transfer. Your current network must send you your PAC code within 60 seconds.
What is a STAC code?
A STAC (Service Termination Authorisation Code) is used when you want to cancel your contract but keep your number with a new provider. Text STAC to 75075.
How long does it take to switch?
Once you give your PAC code to your new network, the switch happens within one working day. You may lose signal for a few hours during the transfer.
Will I lose my phone number?
No. Using a PAC code ensures your phone number transfers to your new network. The switch takes one working day.
When is the best time to switch?
Switch towards the end of your current contract to avoid early termination fees. Compare coverage in your area first using our postcode checker.
Can I switch if I am still in contract?
Yes, but you may need to pay an early termination fee. Your network must tell you this amount when you request a PAC code.