How to Get a PAC Code from O2

Your O2 PAC (Porting Authorisation Code) is the code that moves your O2 number to another network. Under Ofcom's text-to-switch rules, O2 must give it to you instantly and free — no retention calls, no charges on rolling plans.

All 3 ways to get your O2 PAC code

1. Text PAC to 65075 (fastest)

The universal Ofcom switching service. Send "PAC" to 65075 from the O2 number you want to keep — the code arrives by return text in under a minute. Works for contract and PAYG customers alike.

2. My O2 app

Open the My O2 app → sign in → go to your account/settings and look for the "Switching" or "Leave O2" option. The app shows your PAC code instantly, plus any early termination charges if you're still in contract.

3. Call O2

Call 202 free from your O2 mobile (pay monthly) or 4445 (pay as you go). From another phone: 0344 809 0202 (contract) or 0344 809 0222 (PAYG). Slower than texting — expect security questions and a possible retention offer.

What happens after you get the code

• Your PAC is valid for 30 days — request a new one if it expires.
• Give it to your new network when activating their SIM. The number transfers within one working day.
• Your O2 account and billing end automatically when the transfer completes — no separate cancellation needed on rolling plans.
• On a fixed-term contract, remaining months may be charged — check the info text that arrives with your PAC.

Leaving O2 but want to keep O2 coverage?

If you're happy with O2's signal but not the price, Giffgaff runs on the O2 network — same coverage, plans from around £6/month, no contract, no credit check. Order a free SIM, then give them your O2 PAC at activation.

O2 PAC code problems?

• No text back? Check you sent it from the O2 SIM itself, not another phone. Try 202 if texting fails.
• Code expired? Just text PAC to 65075 again — fresh codes are instant.
• Transfer didn't complete? PACs only process on working days — requests over the weekend complete Monday/Tuesday.