is organised according
to the different IDD
(International Direct Dialing) Telephone Zones:

Phone Book of North America.com  (+I)
Phone Book of Africa.com  (+2)
Phone Book of Europe.com  (+3 or +4 )
Phone Book of Latin America.com  (+5)
Phone Book of Oceania.com (+6)
Phone Book of Russia.com (+7)
Phone Book of North Asia.com  (+8)
Phone Book of the Middle/Far East.com  (+9)

Secrets behind African phonecodes:
In Africa the telephone codes indicate the geographic location of each country
the more you go South,
the more the phonecode grows
20 for Egypt in the North ... 27 for South Africa.
Only two countires,
Egypt and South Africa have a two digit country code.

In Africa telephone codes indicate the geographic location of each country
the countries of the North have a code like 20 (Egypt),
21- (Magreb).
The more you go South the more the code increases
Southern Countries have the codes 26-
Zambia, Madagascar, Zimbabwe ..)
or 27 (South Africa),
28 has never been issued,
(291 for Eritrea is an exeption, the code was issued much later)

Phone Book of Africa.com includes
Phone information on all
Countries of Africa .
White Pages and Yellow Pages
Pages Blanches and Pages Jaunes
all over Africa.
The best Phone Books of Africa
that are available on the Internet
should be here.