Phone Code Genius .com

Dialing telephone calls to the USA

IDD prefix
1
XXX
XXX-XXXX

Step-by-step

IDD prefix
The IDD (International Direct Dial) prefix indicates that you are dialing an international number. For more details, please indicate which country you are calling from:

1
Country code for the USA.
XXX
View area code list for the USA (new window).
Every area code in the USA is 3 digits long.
XXX-XXXX
All local telephone numbers in the USA are 7 digits long.

Notes

Instructions for calling from specific countries

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B
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D
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F
G
H
I
J
K
L
M
N
O
P
Q
R
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T
U
V
W
Y
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