(+1 405 or +1 918) 46th
State of the USA - joined the Union in 1907
local internet code .ok.us has
not been adopted - only .com
181,048
km² (69,903 sq miles) - 3,300,000 people
phone
system
calling to Oklahoma
from USA 1
from most Countries
00 1
+1 xxx xxx xxxx
(10 digits
after the country code)
calling from
Oklahoma
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
(1 --- --- ----)
are also part of the
North American
numbering Plan (NANP)
exampe
calling from Oklahoma
to Phone Book of the World
in France
011 33 1 4221 1111
11 rue des Dechargeurs
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