Mobile phone numbers
07781 numbers are for mobile phones in Guernsey.
All UK 07 numbers are for mobiles, pagers and personal numbering.
Which network is 07781?
07781 numbers are allocated to Sure.
It is no longer possible to tell the operator of a UK mobile phone from its number alone, as customers are free to take their number with them when they change networks. The 07781 prefix is not a reliable indicator of which network a phone is currently connected to, only which network issued it originally.
Formatting an 07781 number
There is no set format for UK mobile phone numbers, but the commonest format is: 07781 xxxxxx
For international callers, use: +44 7781 xxxxxx
07781 replaced the older mobile prefix 04481 on 28 April 2001. Former 04481 xxxxxx numbers became 07781 xxxxxx on this date.