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The Standard Industrial Classification (SIC) is a system for classifying industries by a four-digit code as a method of standardizing industry classification for statistical purposes across agencies. Established in the United States in 1937, it is used by government agencies to classify industry areas.
Level 4: 615 classes identified by four-digit numerical codes (01.11 to 99.00). The first four digits of the code, which is the first four levels of the classification system, are the same in all European countries. National implementations may introduce additional levels. The fifth digit might vary from country to country and further digits ...
Digit Zero: 0017 U+0031 1 49 061 Digit One: 0018 U+0032 2 50 062 Digit Two: 0019 U+0033 3 51 063 Digit Three: 0020 U+0034 4 52 064 Digit Four: 0021 U+0035 5 53 065 Digit Five: 0022 U+0036 6 54 066 Digit Six: 0023 U+0037 7 55 067 Digit Seven: 0024 U+0038 8 56 070 Digit Eight: 0025 U+0039 9 57 071 Digit Nine: 0026 ASCII Punctuation & Symbols: U+ ...
The ICAO airport code or location indicator is a four-letter code designating aerodromes around the world. These codes, as defined by the International Civil Aviation Organization and published quarterly in ICAO Document 7910: Location Indicators , are used by air traffic control and airline operations such as flight planning .
A merchant category code (MCC) is a four-digit number used for retail financial services to classify a business by the types of goods or services it provides. Codes are specified by the ISO 18245 standard.
A credit card security code is a three- or four-digit code that’s unique to your card. In case a merchant asks, the security code goes by a few different names, mainly the:
An individual’s PIN is the four-digit code they set after opening a debit account with their bank of choice. It is used as a layer of authentication when they perform an electronic transaction ...
A complete 13-digit code has 5-digit number representing region, sector, city, and zone; 4-digit X between 2000 and 5999; 4-digit Y between 6000 and 9999. [23] Digits of 5-digit code may represent postal region, sector, branch, section, and block respectively.