phone system:

local:
inside a city
dial number without area code

national
dial 0 + area code
dial number
(in 2003 Germany had
54.3 million Land Lines)

mobils
mobile code: 0  I7-
(64.8 million Mobile Lines)

the digits of area codes and of phonenumbers are variable,
german areacodes indicate the geographic location
(no central I since Germany is a Féderation),
I7 for Mobils (in German Handys)
2 for the Rhineland,
3 for Berlin and exEast Germany
4 for the very North,
5 for northern Niedersachsen,
6 for the center
7 for southern Baden Würtenberg,
8 Bavaria (Munich) and
9 Bavaria (Nürnberg)

+37 was the are code of
former East Germany (DDR)
deleted in July I99I
and used for I0 new European
country codes (mostly EX
Communist Countries like Lithuania)

international calls
international prefix: 00
example:
calling from Germany
to France

00 33 I 422I IIII
II rue des IIaIIes
PARIS Ier

Germany's phonesystem
is regulated by Reg TP

phone information
national Inlandsauskunft.com
intern Auslandsauskunft.com
Emergency ?
Police ?
Fire ?

calling to Germany
from USA  0II 49
from Europe  00 49
+49 - areacode - number
(various lenght of digits)