From http://en.wikipedia.org/wiki/Telephone_numbers_in_the_United_Kingdom:
For dialling the United Kingdom from overseas, Ofcom and ITU-T recommendation E.123 states that numbers be written in the form:
Number Location +44 20 xxxx xxxx London +44 29 xxxx xxxx Cardiff +44 113 xxx xxxx Leeds +44 116 xxx xxxx Leicester +44 131 xxx xxxx Edinburgh +44 151 xxx xxxx Liverpool +44 1382 xxxxxx Dundee +44 1386 xxxxxx Evesham +44 1865 xxxxxx Oxford +44 1792 xxxxxx Swansea +44 1204 xxxxx Bolton +44 15396 xxxxx Sedbergh +44 16977 xxxx Brampton _______________________________________________ Talk-GB mailing list Talk-GB@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-gb