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 United States is :

  • Landline: IDD + 1 (Country Code) + Area Code + Recipient's Number
  • Cellular: IDD + 1 (Country Code) + 10 Digits Cellular Number

IDD or International Direct Dial code is the exit code and is different for different countries

For example, to call United States (Alabama) land line from India, the number format is:
00 + 1 + 256 ??? ????
where 00 is the Exit code for India, 1 is the ISD code for United States, 256 is the area code for Alabama and ??? ???? is the 7 digits TEL # of the recipient.

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

Calling United States From Abroad

Use the example below to know the rule for dialing a number in United States and make international calls to United States.

To Make International Calls to United States Dial

Exit code + 1 + Area code + Telephone Number

United States - Emergency Numbers

911 - Police, Ambulance, Fire

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.

There are 291 area codes in United States. United States area codes usually have 3 digits. While calling United States from abroad, you need to dial the ISD code followed by the area code and finally the phone number. Given below is a list of area codes for calling United States's major cities/regions.

Find Area Code


* Ignore the number within bracket while calling United States from another country. The number within bracket is to be dialed along with area code only while calling within United States

CountryArea Code

Complete list of United States Area codes

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

While calling United States, having an idea about the local United States time at the time of your call will ensure that you are not calling someone during untimely hours. Use the Time 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.

The Time Zone Converter

Given below is the current time in United States. Enter Your Timezone and Change the time in the textbox below to get corresponding time in United States. You can use this Time converter to find an appropriate time to make international calls to United States.

The Time Zone Converter
Time in:
Corresponding time in:

How to make international calls to United States