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This is a list of international dialing prefixes used in various countries for direct dialing of international telephone calls.These prefixes are typically required only when dialling from a landline, while in GSM-compliant mobile phone (cell phone) systems, only the symbol + before the country code may be used [citation needed] irrespective of where the telephone is used at that moment; the ...
1xx Special numbers 001 and 00xx Carrier selection codes 0x 2-digit geographic area codes 0xx 3-digit geographic area codes 0xxx 4-digit geographic area codes 0xxxx 5-digit geographic area codes 0x0 3-digit non-Geographic area codes (excluding 010) 0xx0 4-digit non-Geographic area codes (01x0, 0570, 0800, 0910, 0990)
In 1997, BOC merged its electronics gases business with Edwards as BOC Edwards. [ 18 ] [ 20 ] In the same year, the company purchased Systems Chemistry Inc, a supplier of management systems for ultrapure chemicals used in semiconductor manufacturing, from Submicron Systems Corp of Allentown (USA).
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South Sudan uses a two digit mobile code along with a seven digit phone number. For international calls, South Sudan has been assigned the +211 code by the International Telecommunication Union. Before the secession in 2011, the area, later to be known as South Sudan, used Sudan's country-level calling code.
Aside from volunteering to war efforts and service members, Crawford also volunteered for a great number of charity organizations, which included the American Red Cross, C.A.R.E., various charities for the advancement of care and cures for crippled children [136] and the American Cancer Society, for which Crawford served as national chairwoman ...
Di-tert-butyl dicarbonate is a reagent widely used in organic synthesis. [1] Since this compound can be regarded formally as the acid anhydride derived from a tert-butoxycarbonyl (Boc) group, it is commonly referred to as Boc anhydride. This pyrocarbonate reacts with amines to give N-tert-butoxycarbonyl or so-called Boc
A telephone prefix is the first set of digits after the country, and area codes of a telephone number. In the North American Numbering Plan countries (country code 1), it is the first three digits of a seven-digit local phone number, the second three digits of the 3-3-4 scheme. In other countries, both the prefix and the number may have ...