unique identifier
identifier which is unique and permanent within a subset of space and time
domain name
identification string that defines a realm of administrative autonomy, authority or control within the Internet
International Chemical Identifier
identifier for chemical substances
International Mobile Equipment Identity
cellphone identification code
ID number
unique number to identify an ID document
user identifier
numeric value used in Unix-like operating systems to uniquely identify a user account
Maritime Mobile Service Identity
ID sent in digital form over a radio frequency to uniquely identify a ship
Army One
air traffic control call sign of any US Army aircraft carrying the president of the USS
Universal equine life number
unique identifier of horses
Participant Identification Code
persistent identifier for an organization
Educational Institute Identification Number
Unique identifier for an educational institution issued by the Bangladesh Bureau of Educational Information and Statistics
International Securities Identification Number
identifier for a security
International Standard Name Identifier
authority file with 16-digit identifier for people and organisations
hull number
serial identification number given to a boat or ship
airline code
identifier of airline
price look-up code
number to identify produce in grocery stores
assessor's parcel number
identification number for a unit of real estate, often used by governments
Japanese Health Insurance System Facility ID
10-digit identifier for medical/healthcare facilities on Japanese Health Insurance System
European Vehicle Number
unique identifier for rail vehicles in Europe
Snowflake ID
unique identifier format used by various platforms
address
collection of information that describes the location of a building, apartment, or other structure
message identifier
unique identifier for a digital message
egg marking
form of egg labeling that includes an egg code stamped on the egg itself
Serial shipping container code
identifier number for logistics
Digital Author Identifier
a unique number to all academic authors in the Netherlands as a form of authority control
fingerprint
digital identifier to identify a certain piece of data, derived from the data by an algorithm
AD-ID
technical standard used in the advertising industry
Financial Instrument Global Identifier
an open financial instruments standard
Facility ID
unique number for each broadcast station relevant to U.S. law
Unit Identification Code
alphanumeric code used by the United States Department of Defense
Amsterdam code
alternative code for municipalities in the Netherlands
BBC programme ID
unique identifier for BBC content
Korean Authority File
authority control system created by National Library of Korea
Power Distribution Equipment Identification
identification code for equipment and customers of the power distribution network of Iran
cryptographic anchor
unique identifier that can be put into products and cannot be removed or changed
address family identifier
unique identifier scheme for identifying addressing schemes
Research Resource Identifier
persistent and unique identifier for referencing a research resource
Bank clearing number
a number used to identify institutions
group identifier
Unix/POSIX system account group number; numeric value used to represent a specific group
CUSIP
nine-character alphanumeric code that identifies a North American financial security for the purposes of facilitating clearing and settlement of trades
serial number
unique code assigned for identification of a single unit
color code
system for displaying information by using different colours
national registration number
Belgium