The complete US phone number format consists of the exit code, the US country code (+1), the area code, and the 7-digit local number. Here’s a breakdown of each component: COMPONENT DESCRIPTION EXAMPLE Exit Code The code dialed to initiate an international call from your country (varies by location) 011 (Canada) US Country Code The code that identifies the United States as the destination country +1 Area Code A 3-digit code representing a specific geographic region within the United States 718 (NYC) 7-Digit Local Number A unique combination of digits identifying the individual phone line you are calling 222 2222.