Telephone numbering plan

area code North American Numbering Plan Telephone numbers in Mauritania Telephone numbers in Liberia Telephone numbers in Niue Telephone numbers in Zambia Telephone numbers in Namibia Area codes 450 and 579 Area codes 306 and 639 Area code 403 Area codes 587, 825, and 368 Area code 604 Area code 684 Area code 780 Area code 902 Area codes 514 and 438 telephone numbers in Bangladesh 0171 070 0744 Telephone numbers in Egypt Area code 600 area code 700 Area code 778 Area code 807 Area code 867 Area codes 819 and 873 telephone numbers in the Philippines Telephone numbers in Sierra Leone North American Numbering Plan expansion telephone numbers in Sri Lanka Telephone numbers in Africa Telephone numbers in Algeria Telephone numbers in Angola Telephone numbers in Asia Telephone numbers in Australia Telephone numbers in Botswana Telephone numbers in Burkina Faso Telephone numbers in Burundi Telephone numbers in Cameroon Telephone numbers in Cape Verde Telephone numbers in Chad Telephone numbers in Comoros Telephone numbers in Djibouti Telephone numbers in Ecuador Telephone numbers in Equatorial Guinea Telephone numbers in Eritrea Telephone numbers in Ethiopia Telephone numbers in Gabon Telephone numbers in Guinea