It seems ironic to be defining the term 'dictionary,' but here we go! Dictionaries are resources for finding word meanings, parts of speech, word origins and even synonyms and antonyms. Dictionaries have definitely evolved over the years. The English language really began with the Anglo-Saxons in Great Britain.
If it is a US Passport, that it is the 9 digit number located in the top corner of the passport info page. In the example below the passport number is 31195855. Other Countries have different types of numbers (usually with letters added) but most often it's in the same place. This Canadian Passport number is AB504966.
Your US passport book number can be found on the top right of the second page in your passport. Image source: Popular Science. Note that a US passport book number is the same as a passport number, it's just a slightly more formal phrasing. Updated 17 Apr â¢ View Upvotes.