What is Number porting (PAC / STAC)?

Number porting is the regulator-protected process of moving an existing UK landline (via a STAC code) or mobile number (via a PAC code) to a new provider without changing the number.

Silux Call ports UK numbers free on Plus and above, typically completing within 24 hours, so you switch without losing a call.

Also searched as: port phone number, pac code, stac code, keep my number.