Given below is the procedure and dialing codes for making international calls to United States mobile or land line. While calling to United States from abroad, the dialing procedure is same whether you are calling from Land phone or cell phone.

The international dialing codes and dialing format to call landline in United States is :
IDD + 1 (Country Code) + Area Code + Recipient's Number
The international dialing codes and dialing format to call mobile number United States is :
IDD + 1 (Country Code) + 10 Digits Cellular Number

For example, to call United States (Iowa) land line from India, the number format is:
00 + 1 + 515 ??? ????
where 00 is the Exit code for India, 1 is the ISD code for United States, 515 is the area code for Iowa and ??? ???? is the 7 digits TEL # of the recepient.

Enter Country From Which You Want to Call United States

The International Subscriber Dialing Code (ISD Code) of United States is 1. ISD code is also know as country calling code.

United States ISD Code / Country Code : 1

Callling United States From Abroad

To Make International Calls to United States Dial
Exit code + 1 + Area code + Telephone Number

United States - Emergency Numbers

911 - Police, Ambulance, Fire

There are 291 area codes in United States. Given below is a list of area codes for calling United States's major cities/regions.

Exit code or access code of a country is the code which is necessary to make international calls from that country. Find the access code of the country from which you are dialing before calling United States. Use the Search box given below to find the area code of various cities and places in United States.

CountryArea Code
Massachusetts(1)351
New York(1)631
Ohio(1)330
Pennsylvania(1)878
Tennessee(1)865
Texas(1)469
Texas(1)972
Virginia(1)276
Wisconsin(1)608

When to Call United States - Time Difference between United States & Other Countries

Click the time zone converter given below to know what time it is in United States. Enter the time in the country from where you are calling United States and find the corresponding local time in United States

How to Make International Calls to United States