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4 days ago · Complete resource on dialing to the United States of America: country code, mobile and geographic area codes, phone number format and other helpful information.
Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
International phone number United States +1. Capital city: Washington. ISO country code: usa. List of countries, areas and telephone country codes
What is the country code or ISO code for United States? The ISO 3166-1-Alpha-2, or two-letter country code, for United States is US, while the ISO 3166-1-Alpha-3, or three-letter country code, is USA, and the ISO 3166-1 numeric code is 840.
The USA country code is +1. You will add it to the beginning of any phone number you are dialing that’s in the US. When you save your American contacts to your phone, make sure to include this number as part of their phone number!
Instantly get the US country code and United States area code to help you make your international call to United States. Our complete resource of US area codes will help you make your call to Washington, D.C. and other American cities.
For calls to most countries dial the following: 011 - Country code - National subscriber number. For calls to countries within the North American Numbering Plan dial: 1 - National subscriber number , same as dialing a US state to state call (note that you may incur international charges)
