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United States (1) Country and Phone Codes

How to call United States with 1 country code?

United States 1 Country Code US USA

United States is designated by serval international country codes. The most used code is 1. It is used to dial a US phone number from another country.
If you are calling United States from external country, you need to add the phone code "+1" before calling the phone number.

This illustration will assist you call United States (USA) :

  • Get the US Country Code (1) using our database.
  • Find the number you are calling, illustration: 07911 111111.
  • Remove the 0 from begining of the number, that results on 7111 99999.
  • Add United States country code and dial +1 7222 88888 from your phone.

About United States Codes

United States US Phone Code
1
ISO 3166 ALPHA-2
US
ISO 3166-1 ALPHA-3
USA

US is also designated by ISO 3166-1 Alpha-2 and ISO 3166-1 codes which are US and USA. Appended to the 1 country code; these are the main United States country codes.
ISO-numeric (840), E164 (1) and .tld (.us) are moreover known codes for United States.

United States Country and phone Codes : +1, US, USA

Country codes table

Phone Code+1
ISO two digitsUS
ISO Three digitsUSA
.tld.us
FIPSUS
ISO numeric-3840
E. 1641
Language Codes
  • en-US
  • es-US
  • haw
  • fr
United States country codes table
United States related countires codes
United States Time Information
Local time at Washington :
02:24 AM
Saturday, December 21, 2024
(GMT-10:00)
  • Time Zones :
    • America/Adak
    • America/Anchorage
    • America/Boise
    • America/Chicago
    • America/Denver
    • America/Detroit
    • America/Indiana/Indianapolis
    • America/Indiana/Knox
    • America/Indiana/Marengo
    • America/Indiana/Petersburg
    • America/Indiana/Tell_City
    • America/Indiana/Vevay
    • America/Indiana/Vincennes
    • America/Indiana/Winamac
    • America/Juneau
    • America/Kentucky/Louisville
    • America/Kentucky/Monticello
    • America/Los_Angeles
    • America/Menominee
    • America/Metlakatla
    • America/New_York
    • America/Nome
    • America/North_Dakota/Beulah
    • America/North_Dakota/Center
    • America/North_Dakota/New_Salem
    • America/Phoenix
    • America/Sitka
    • America/Yakutat
    • Pacific/Honolulu

Global Information about US

  • Capital : Washington
  • Currency : Dollar
  • Surface : 9,629,091 km²