بادئات النظام الدولي. جمعية صوريف للتعليم العالي: رموز الدول وبادئات الاتصال المباشر الدولية

This code was defined by ITU and groups all countries and regions with numbers	ENTEL Venezuela; 01-50-0 - LD Telecomunicaciones, C
While an international dialing prefix must be added before the country code so the telephone system can distinguish an international dialing from domestic dialing	Below is a list of country code and with international dialing prefix

A country code must be dialed when dialing an international call from one particular country to another.

النظام الدولي للوحدات (SI): " The International Vocabulary of Metrology VIM- 1993 defines metrology as the Science of measurements associated to the evaluation of its uncertainty
سوابق النظام الدولي للوحدات
سوابق النظام الدولي للوحدات: ; 01-19-0 - Totalcom Venezuela; 01-23-0 - Orbitel de Venezuela, C