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calling to North Dakota
from USA  1
from most Countries
00 1

+1 701 xxx xxxx
(10 digits
after the country code)

calling from North Dakota
local calls
no area code inside
the same area

national long distance
national prefix: 1
area code: xxx  (always 3 digits)
number: xxx xxxx (always 7 digits)

international calls
international prefix: 011
country code:x or xx or xxx
number: ???

exeption !   Canada
or the Caribbean
  (I --- --- ----)
are also part of the
North American
numbering Plan (NANP)

exampe
calling from North Dakota
to Phone Book of the World
in France

011 33 1 4221 1111I
11 rue des IIaIIes
PARIS 1er

usefull numbers
american operator 411
call the operator from
outside the US
+1 310 555 1212
international operator
(call from inside the US)
1010 2220

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