I phoned the Identity and Passport Service to ask this question and they informed me that the Passport Book Number in a UK passport is the same as the passport number.
Someone with UK passport
Yes, it is legal. The passport office itself does this when a British Citizen living outside the UK renews their passport. The new passport is produced in and sent from the UK. Note that different procedures and different forms are needed fro renewing a passport outside the UK to renewing one in the UK. It also costs nearly twice as much to renew a passport if you live outside the UK.
The UK visa reference number should be contained within your stamp. Every time you have visited the UK, you will have received a stamp. If you had used a visa, there will be a reference number within that stamp.
it depends if you have a UK passport, if your an illegal immigrant you might get arrested. If you're not an immigrant and you have a british passport then yes, yes you can
A British passport holder doesn't necessarily have the right to live and work in the UK.
Yes.
get a passport
I live in the USA with a Green Card but am a citizen of the UK and a UK Passport holder. I am thus to the USA/US Immigration a foreign passport holder.
You need a passport or an ID.
As the "Common Travel Area" is in place, you do not need a passport to go to Dublin from the UK. When flying between the UK and Ireland it is best to ask your airline what form of ID will be accepted.
Yes, You always need a passport (or EU national identity card) to get in our out of the UK.