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The process of assigning HS codes is known as "HS Classification". All products can be classified in the HS by using the General Rules for the Interpretation of the Harmonized System ("GRI") that must be applied in strict order. HS codes can be determined by a variety of factors including a product's composition, its form and its function.
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
DMS-10S (super small DMS-10 for very small exchanges, less than 640 lines) DMS-10M (prepackaged DMS-10, a Community Dial Office in a pre-packaged container/"box") DMS-100 FAMILY of Digital Exchanges DMS-100 (large local digital Class 5) (also known as an SL-100 when used as CPE (Customer Provided Equipment or PBX service)also known as Centrex.
The Harmonized system of Nomenclature (HSN) code is used for classifying goods under the Goods and Services Tax (GST) in India. The HSN code is a six-digit code that uniquely identifies a product. The first two digits of the code identify the chapter, the next two digits identify the heading, and the last two digits identify the subheading.
Area code dialing is optional in most geographical area codes, except Moscow (area codes 495, 498, 499); it is mandatory for non-geographical area codes. E.123 international and Microsoft formats are used for writing local phone numbers as well; international prefix and country code 7 are replaced with trunk code 8 (or 8~CC ) when dialing a ...
Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing code in the group NXX for various other purposes.
By 1971 the North American network had been prepared for operation with central office codes that permitted the digits 0 and 1 as the middle digit, i.e. with the number format NXX (less N11), where N=2–9, and X=0–9. [4]
The EAN-8 code is an eight-digit barcode used usually for very small articles, such as chewing gum, where fitting a larger code onto the item would be difficult. Note: the equivalent UPC small format barcode, UPC-E, encodes a GTIN-12 with a special Company Prefix that allows for "zero suppression" of four zeros in the GTIN-12. The GS1 encoding ...