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PNSS, 1×2 call sign prefix always a letter, suffix almost always two letters to avoid confusion with 2×1 call signs. As a precaution, the ITU has issued no prefixes in the B, F, G, I, K, M, N, R or W block ranges with letter-number possibilities, meaning that the first digit would have to be the separating numeral anyway.
Russian nuclear icebreaker Arktika with call sign UKTY. Merchant and naval vessels are assigned call signs by their national licensing authorities. In the case of states such as Liberia or Panama, which are flags of convenience for ship registration, call signs for larger vessels consist of the national prefix plus three letters (for example, 3LXY, and sometimes followed by a number, e.g. 3LXY2).
IATA dupe with parent QANTAS. Also uses 2 letter ICAO EA. ECI Eastern Carolina Aviation: EASTERN CAROLINA United States GNS Eastern Executive Air Charter: GENESIS United Kingdom LIS Eastern Express: LARISA Kazakhstan EME Eastern Metro Express: EMAIR United States EPB Eastern Pacific Aviation: EAST PAC Canada ESJ Eastern SkyJets: EASTERN SKYJETS
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]
Worldwide distribution of country calling codes. Regions are coloured by first digit. Telephone country codes, but also sometimes referred to as country dial-in codes, or historically international subscriber dialing (ISD) codes in the U.K., are telephone number dialing prefixes for reaching subscribers in foreign countries or areas via international telecommunication networks.
To classify electric stock, a two-letter prefix was used to indicate what type it was, followed by a number issued sequentially from 1. This was a system adapted from that used by the LNER for its electric stock (e.g. EM1, see here). The additional prefixes used were: AL: AC electric locomotive; AM: AC electric multiple unit
Users can switch carriers while keeping number and prefix (so prefixes are not tightly coupled to a specific carrier). 7 Claro 8: Instituto Costarricense de Electricidad (Kölbi) Croatia +385: 91: 9: A1 Hrvatska: Due to Mobile number portability the prefix of an existing number does not determine the carrier. Any new number will follow the ...
Vowels are often removed when they are not the first or last letter of a word, and silent letters are also ignored. [2] Common prefixes, suffixes, and letter groupings (such as "sh" and "ing") are reduced to single symbols. The symbols themselves are derived from old cursive forms of the letters, with unnecessary parts removed. [2]