The Macedonian telephone numbering plan, is the system used for assigning telephone numbers in the Republic of Macedonia. It is regulated by the Agency for Electronic Communications AEK, which holds responsibility for telecommunications. The country calling code of the Republic of Macedonia is +389. Area codes should always be dialed, even within the country, because of the many fixed and mobile operators. An example for calling telephones in Skopje, Republic of Macedonia is as follows: * 02 xxx xxxx (within Skopje) * 02 xxx xxxx (within Macedonia) * +389 2 xxx xxxx (outside Macedonia)