PAC Codes and Energy Switching: What Codes Look Like and How Long Number Porting Takes
Understanding PAC Codes: What They Look Like and How to Get One
When switching mobile networks while keeping your existing number, you'll need a PAC code (Porting Authorisation Code). This unique identifier follows a specific format: three letters followed by six numbers, such as ABC123456.[2][3]
Getting your PAC code is straightforward. Text PAC to 65075 from your current phone (it's free), and you'll receive your code within 60 seconds.[1][2][4][6] Alternatively, you can contact your provider by phone or through your online account. The code remains valid for 30 days from when you receive it.[1][2][4][6]
Once you have your PAC code, provide it to your new provider during the sign-up process. They'll coordinate the switch with your old network, and your previous contract will end automatically when the number transfer completes.[1][3][4]
How Long Number Porting Actually Takes
Number porting typically takes one working day if you submit your details before 5:30pm on a weekday, though it can extend to 1-3 working days in some cases.[1][3][4] The actual transfer usually happens within a few hours on your chosen switch day.
Choose a day when you'll have low phone usage, as service may briefly interrupt during the transfer. If you experience any issues after the switch, try restarting your phone or toggling airplane mode on and off.[1][3][4]
If you're switching multiple numbers, you'll need to request PAC codes via phone or online and schedule the transfers with your new provider.[1] This process is regulated by Ofcom and works the same across all UK networks.[2]
UK Energy Usage: How Much Power Do Households Actually Use?
Understanding your energy usage helps when comparing supplier deals. The average UK household uses approximately 8-10 kWh of electricity per day (based on typical 2,900 kWh annual consumption), though this varies significantly by home size, appliances, and season.
For gas, average daily usage sits around 30-40 kWh per day (roughly 11,500 kWh annually). These figures come from standard Ofgem household profiles and provide a baseline for comparing tariff costs.
British Gas vs Octopus Energy: Which Is Cheaper in 2026?
Neither British Gas nor Octopus Energy is universally cheaper, as costs depend on your specific usage and tariff choice. However, Octopus often undercuts British Gas on variable and flexible tariffs, thanks to their renewable energy focus and innovative pricing structures like Agile tariffs.
British Gas tends to suit larger households seeking fixed-price stability and widespread coverage, while Octopus excels with smart technology perks and flexible pricing options. Both suppliers operate under the Ofgem Price Cap (approximately £1,717 per year for average dual fuel in April 2026).
| Supplier | Tariff Name | Type | Monthly Cost (£) | Key Feature |
|---|---|---|---|---|
| Octopus Energy | Tracker Tariff | Variable | 123 | Smart meter required; daily price changes |
| Octopus Energy | OctopusFixed 14m | Fixed | 143 | 14-month contract; no exit fees |
| Octopus Energy | Flexible Octopus | Variable | 146 | Market-linked; no contract |
| E.ON Next | Fixed Deal | Fixed | 143 | Standard fixed option |
| E.ON Next | E.ON Next Fixed | Fixed | 1602/year | Cheaper than April cap forecast |
For personalised quotes, always use Ofgem-approved comparison sites that factor in your actual usage patterns.
Gas vs Electric: Understanding Energy Costs
Gas is significantly cheaper per kWh than electricity, typically costing around 3-4p per kWh compared to 20-25p per kWh for electricity under the 2026 Price Cap. However, dual-fuel households generally use more gas than electricity, so gas usually accounts for about 40% of total energy bills.
The choice between gas and electric heating depends on your home's setup, insulation, and usage patterns. Gas remains more cost-effective for heating and hot water, while electricity is essential for lighting and most appliances.
E.ON vs British Gas: Price Comparison
E.ON is typically cheaper than British Gas on fixed tariffs, often offering lower standing charges and competitive unit rates. E.ON also leads on green energy options, while British Gas has the largest customer base but generally trails on both pricing and customer service ratings in 2026 comparisons.
Octopus Energy Broadband: Bundled Deals
Octopus Energy offers full-fibre broadband bundles alongside their energy tariffs, with speeds up to 900Mbps and monthly costs ranging from £20-40. Energy customers often receive discounted rates, and the service performs particularly well in rural areas with full-fibre coverage.
Making the Switch: Practical Steps
Energy switching takes 5-8 weeks on average, with suppliers sending notifications via email throughout the process. Always check eligibility requirements, exit fees from your current provider, and the latest Price Cap rates (reset every April and October).
For mobile switches, services like Lodo can handle the switching process for you, managing the PAC code transfer and ensuring everything goes smoothly without lengthy phone calls or paperwork.
Let Lodo Handle the Switch for You
Lodo is a free AI assistant that compares and switches your mobile, energy, or broadband, without any forms. Just tell it what you need via chat or WhatsApp and it does the rest: finds the best deal, handles the paperwork, and confirms the switch. It takes a few minutes instead of a few hours.
We monitor the market for the newest deals. After switching with us once, we can notify you about a better deal, you confirm with one click and Lodo handles the switching admin.
Try Lodo FreeWhat does a PAC code look like?
A PAC code consists of nine alphanumeric characters: three letters followed by six numbers, for example ABC123456.[1][2] When you request your PAC code, you'll receive it via text message within 60 seconds.[3]
How long does it take to port a number when switching mobile networks?
Number porting typically takes one to three working days, though it can sometimes take longer.[4] The actual transfer may take a couple of hours on the day you've chosen, and you can usually request the switch for the next working day if you provide details before 5:30pm.[3]
How do I get a PAC code from my mobile network?
Text 'PAC' and your date of birth in ddmmyy format to 65075 for free, and you'll receive your code within one minute.[1] Alternatively, you can call your provider directly or request it through your online account.[2]
How long is a PAC code valid for?
Your PAC code is valid for 30 days from when you receive it.[4] If you don't use it within this timeframe, it will expire and you'll need to request a new one.
What's the difference between a PAC code and a STAC code?
A PAC (Porting Authorisation Code) allows you to transfer your existing mobile number to a new provider.[1] A STAC (Service Termination Authorisation) code is used if you want to get a new number instead - text 'STAC' to 75075 to obtain one.[3]
Do all UK mobile networks accept PAC codes?
Yes, all UK mobile networks use PAC codes as regulated by Ofcom.[2] This standardised system ensures you can transfer your number between any UK networks quickly and easily.
Can I get a PAC code if I'm still in contract?
Yes, you can get a PAC code while in contract, but you may be charged early termination fees.[4] Text 'INFO' to 85075 to check what you'd be charged before proceeding with your switch.
What happens to my old contract when I use a PAC code?
When you provide your PAC code to your new network, it automatically cancels your old contract with your previous provider, so you don't need to contact them separately.[3] Your new network will notify your old provider about the switch.
Can I use a PAC code if my phone is locked to my network?
You can still switch networks with a locked phone by requesting a PUK code from your old provider.[3] However, networks have been prohibited from locking phones since December 2021, so any phone obtained after that date should be unlocked.
What if I don't use my PAC code within 30 days?
If you don't use your PAC code within 30 days, it will expire.[4] You'll need to request a new PAC code from your current network by texting 65075 again or contacting your provider directly.
Sources
- Ofcom mobile switching regulations
- UK mobile network PAC code requirements
- Mobile number porting process guidelines
- Consumer switching rights and timeframes
- Ofgem household energy usage profiles
- Mobile network operator switching procedures