Phone numbers are often written in a way that deletes or distorts information about them. The most common error I experience day to day is people simply not understanding what London's area code is. Hint: If you think it's or you definitely need to read this. The other common stylistic issue is the US tendency to write their phone numbers like
It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. Really, I don't know whether in other countries English speaking there is a difference between telephone and mobile phones numbers. If there is no such difference, then this question makes no sense.
Writing an Invitation Letter for a Visa Application
Writing phone numbers correctly makes them easier to read and remember, as well as reducing the risk of numbers being misdialled. The UK uses variable length area codes, prefixes and local numbers. This means that numbers are formatted in different ways depending on what and where they are used for. Geographic numbers are the normal home and business numbers that begin with area codes tied to specific locations.
Including the right details in a clear and easily readable format makes it easier for potential employers to reach—and hire—you. You should generally add key identifying details about yourself whether you're preparing a written or an email cover letter. In the case of a written letter, you should also include info about the recipient.