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SMARTpages City Guides
city/area all listed phonenumbers
of landlines
should be in the
country code
or
national
long
distance
direct
dial code
area code
or NPA
(Numbering Plan Area)
exchange
(Central Office)
number
line number
each Central Office can
have up to 9999 lines
numbered from 0000 to 9999
important
Zachary Phonebook of Louisiana.cm
+I
225
- - -
- - - -
  
 
or O
for
Operator
        


the little message bird
of the  Phonebook of the World
is flying around
to find out about the
history behind
phonenumbers ...
 the US telephone system:

orginally
and before the divestiture of AT&T
into 22 Baby Bells in I984
Us area-codes were
                              rather simple,..
...from 200 - 900

and
restricted to the first I9 n°s
in a given series
example
200 - 2I9
300 - 3I9
codes out of this
dialing schemes
are recent





Phonebook of the USA.cm
Phonebook of Canada.cm
Phonebook of the Carribeans.cm