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Frequently Asked Question

Mobile Networks

Network Coverage

Is there any way of comparing network performance?
Yes, Oftel publish monthly performance data for all UK networks. For more information read our Network's Performance section.

How do I know if I have coverage in my area?
Check with the network operator by providing them with your postcode. They will be able to confirm whether you can make a call from your area. You can also ask their dealer shops for the same information.

What is coverage?
This refers to a network service being available at a suitable signal level allowing a mobile call to be connected.

What is an acceptable coverage level?
Generally network operators plan to provide In-building coverage level for residential areas and Outdoor coverage level for the roads. Basically with In-building coverage level you will be able to make a call from inside your house. However with outdoor coverage level this is mostly restricted to inside you car or outdoors.

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Number Portability

What do I need to transfer my number?
You'll need a code from your current mobile operator called a PAC (Porting Authorisation Code). You'll be able to get this by calling them directly or going into your nearest retailer who'll be able to request it for you.

What is my PAC for?
Your PAC is a passport to transfer your number from your current mobile operator. It gives you permission to leave them and allows your new mobile operator to transfer your number. Once your PAC is issued it's only valid for 30 days ? so please use it quickly. After 30 days your PAC will become invalid and you'll need to request a new one.

What if I've got a pre-paid phone?
Whether you have pre-paid or pay monthly bills, as long as your phone is still connected, you should be able to transfer your number in the same way.

How much will it cost me?
You shouldn't be charged for transferring your number, however your current mobile operator may want to charge you. It's best to check with them when you ask for your PAC number.

What if I change my mind and want to cancel my transfer request?
Most operators allow you to change your mind up until the point you get your text message confirming the day your transfer will take place. However please check with your new mobile operator.

What could stop me transferring my number?
There could be two reasons: Your number has been disconnected or you have a minimum term contract with your current mobile operator and you have outstanding subscription charges.

Do I need a new phone?
You don't necessarily need a new phone when you transfer your number, however some phones may not be compatible with the new mobile operator, so it is best to check first.

Where can I get more information from?
For more details on transferring your number you can contact OFTEL on 020 7634 8888

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This page contains many frequently asked questions and answers about mobile technology. Use the main FAQ topics for information relating to these general categories. If you have a question that isn't answered here and is related to mobile technology then e-mail Mobile Guru Information.